diff --git a/addons/event/data/event_demo.xml b/addons/event/data/event_demo.xml
index 01022610b7e..9817ce15e2d 100644
--- a/addons/event/data/event_demo.xml
+++ b/addons/event/data/event_demo.xml
@@ -75,7 +75,7 @@
         <field name="user_id" ref="base.user_demo"/>
         <field name="date_begin" eval="(DateTime.now() + timedelta(days=10)).strftime('%Y-%m-%d 08:00:00')"/>
         <field name="date_end" eval="(DateTime.now() + timedelta(days=14)).strftime('%Y-%m-%d 18:00:00')"/>
-        <field name="seats_availability">limited</field>
+        <field name="seats_limited">True</field>
         <field name="seats_max">50</field>
         <field name="address_id" ref="event.res_partner_location_2"/>
         <field name="date_tz">US/Pacific</field>
@@ -168,7 +168,7 @@
         <field eval="(DateTime.today()+ timedelta(days=5)).strftime('%Y-%m-%d 16:30:00')" name="date_end"/>
         <field name="event_type_id" ref="event_type_data_online"/>
         <field name="address_id" ref="event.res_partner_location_2"/>
-        <field name="seats_availability">limited</field>
+        <field name="seats_limited">True</field>
         <field name="seats_max">200</field>
         <field name="stage_id" ref="event_stage_booked"/>
         <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_4,event_tag_category_2_tag_1])]"/>
@@ -241,7 +241,7 @@
         <field name="user_id" ref="base.user_admin"/>
         <field name="date_begin" eval="(DateTime.today() - timedelta(days=5)).strftime('%Y-%m-%d 18:00:00')"/>
         <field name="date_end" eval="(DateTime.today() - timedelta(days=5)).strftime('%Y-%m-%d 22:30:00')"/>
-        <field name="seats_availability">limited</field>
+        <field name="seats_limited">True</field>
         <field name="seats_max">4</field>
         <field name="address_id" ref="event.res_partner_location_2"/>
         <field name="date_tz">US/Pacific</field>
diff --git a/addons/event/models/event_event.py b/addons/event/models/event_event.py
index 0a0dcbf63ab..7acafd5b7a6 100644
--- a/addons/event/models/event_event.py
+++ b/addons/event/models/event_event.py
@@ -139,10 +139,8 @@ class EventEvent(models.Model):
         string='Maximum Attendees Number',
         compute='_compute_from_event_type', copy=True, readonly=False, store=True,
         help="For each event you can define a maximum registration of seats(number of attendees), above this numbers the registrations are not accepted.")
-    seats_availability = fields.Selection(
-        [('unlimited', 'Unlimited'), ('limited', 'Limited')],
-        string='Maximum Attendees', required=True,
-        compute='_compute_seats_availability', copy=True, readonly=False, store=True)
+    seats_limited = fields.Boolean('Maximum Attendees', required=True, compute='_compute_seats_limited',
+                                   copy=True, readonly=False, store=True)
     seats_reserved = fields.Integer(
         string='Reserved Seats',
         store=True, readonly=True, compute='_compute_seats')
@@ -227,11 +225,11 @@ class EventEvent(models.Model):
             seats_expected = event.seats_unconfirmed + event.seats_reserved + event.seats_used
             event.seats_expected = seats_expected
 
-    @api.depends('date_end', 'seats_available', 'seats_availability', 'event_ticket_ids.sale_available')
+    @api.depends('date_end', 'seats_available', 'seats_limited', 'event_ticket_ids.sale_available')
     def _compute_event_registrations_open(self):
         for event in self:
             event.event_registrations_open = event.date_end and (event.date_end > fields.Datetime.now()) and \
-                (event.seats_available or event.seats_availability == 'unlimited') and \
+                (event.seats_available or not event.seats_limited) and \
                 (not event.event_ticket_ids or any(ticket.sale_available for ticket in event.event_ticket_ids))
 
     @api.depends('stage_id', 'kanban_state')
@@ -306,7 +304,7 @@ class EventEvent(models.Model):
                 event.date_tz = self.env.user.tz or 'UTC'
 
     @api.depends('event_type_id')
-    def _compute_seats_availability(self):
+    def _compute_seats_limited(self):
         """ Make it separate from ``_compute_from_event_type`` because otherwise
         a value given at create (see create override) would protect all other fields
         depending on event type id from being computed as compute method will be
@@ -314,9 +312,9 @@ class EventEvent(models.Model):
         to compute protected field from re-computation) """
         for event in self:
             if event.event_type_id.seats_max:
-                event.seats_availability = 'limited'
-            if not event.seats_availability:
-                event.seats_availability = 'unlimited'
+                event.seats_limited = True
+            if not event.seats_limited:
+                event.seats_limited = False
 
     @api.depends('event_type_id')
     def _compute_from_event_type(self):
@@ -328,7 +326,6 @@ class EventEvent(models.Model):
         Updated by this method
           * seats_max -> triggers _compute_seats (all seats computation)
           * auto_confirm
-          * is_online -> triggers _compute_address_id (address_id computation)
           * event_mail_ids
           * event_ticket_ids -> triggers _compute_start_sale_date (start_sale_date computation)
         """
@@ -336,8 +333,6 @@ class EventEvent(models.Model):
             if not event.event_type_id:
                 if not event.seats_max:
                     event.seats_max = 0
-                if not event.is_online:
-                    event.is_online = False
                 if not event.event_ticket_ids:
                     event.event_ticket_ids = False
                 continue
@@ -348,8 +343,6 @@ class EventEvent(models.Model):
             if event.event_type_id.auto_confirm:
                 event.auto_confirm = event.event_type_id.auto_confirm
 
-            event.is_online = event.event_type_id.is_online
-
             # compute mailing information (force only if activated and mailing defined)
             if event.event_type_id.use_mail_schedule and event.event_type_id.event_type_mail_ids:
                 event.event_mail_ids = [(5, 0, 0)] + [
@@ -371,9 +364,9 @@ class EventEvent(models.Model):
             if event.event_type_id.tag_ids:
                 event.tag_ids = event.event_type_id.tag_ids
 
-    @api.constrains('seats_max', 'seats_available', 'seats_availability')
+    @api.constrains('seats_max', 'seats_available', 'seats_limited')
     def _check_seats_limit(self):
-        if any(event.seats_availability == 'limited' and event.seats_max and event.seats_available < 0 for event in self):
+        if any(event.seats_limited and event.seats_max and event.seats_available < 0 for event in self):
             raise ValidationError(_('No more available seats.'))
 
     @api.constrains('date_begin', 'date_end')
@@ -399,7 +392,7 @@ class EventEvent(models.Model):
 
     @api.model
     def create(self, vals):
-        # Temporary fix for ``seats_availability`` and ``date_tz`` required fields (see ``_compute_from_event_type``
+        # Temporary fix for ``seats_limited`` and ``date_tz`` required fields (see ``_compute_from_event_type``
         vals.update(self._sync_required_computed(vals))
 
         res = super(EventEvent, self).create(vals)
@@ -420,9 +413,10 @@ class EventEvent(models.Model):
         return super(EventEvent, self).copy(default)
 
     def _sync_required_computed(self, values):
+        # TODO: See if the change to seats_limited affects this ?
         """ Call compute fields in cache to find missing values for required fields
-        (seats_availability and date_tz) in case they are not given in values """
-        missing_fields = list(set(['seats_availability', 'date_tz']).difference(set(values.keys())))
+        (seats_limited and date_tz) in case they are not given in values """
+        missing_fields = list(set(['seats_limited', 'date_tz']).difference(set(values.keys())))
         if missing_fields and values:
             cache_event = self.new(values)
             cache_event._compute_from_event_type()
diff --git a/addons/event/models/event_registration.py b/addons/event/models/event_registration.py
index a70931038b6..c5366c8acc9 100644
--- a/addons/event/models/event_registration.py
+++ b/addons/event/models/event_registration.py
@@ -92,7 +92,7 @@ class EventRegistration(models.Model):
     @api.constrains('event_id', 'state')
     def _check_seats_limit(self):
         for registration in self:
-            if registration.event_id.seats_availability == 'limited' and registration.event_id.seats_max and registration.event_id.seats_available < (1 if registration.state == 'draft' else 0):
+            if registration.event_id.seats_limited and registration.event_id.seats_max and registration.event_id.seats_available < (1 if registration.state == 'draft' else 0):
                 raise ValidationError(_('No more seats available for this event.'))
 
     @api.constrains('event_ticket_id', 'state')
@@ -151,7 +151,7 @@ class EventRegistration(models.Model):
 
     def _check_auto_confirmation(self):
         if any(not registration.event_id.auto_confirm or
-               (not registration.event_id.seats_available and registration.event_id.seats_availability == 'limited') for registration in self):
+               (not registration.event_id.seats_available and registration.event_id.seats_limited) for registration in self):
             return False
         return True
 
diff --git a/addons/event/models/event_ticket.py b/addons/event/models/event_ticket.py
index 8ae2c985fee..37572bc86eb 100644
--- a/addons/event/models/event_ticket.py
+++ b/addons/event/models/event_ticket.py
@@ -19,18 +19,17 @@ class EventTemplateTicket(models.Model):
     event_type_id = fields.Many2one(
         'event.type', string='Event Category', ondelete='cascade', required=True)
     # seats
-    seats_availability = fields.Selection([
-        ('limited', 'Limited'), ('unlimited', 'Unlimited')], string='Seats Limit',
-        readonly=True, store=True, compute='_compute_seats_availability')
+    seats_limited = fields.Boolean(string='Seats Limit', readonly=True, store=True,
+                                   compute='_compute_seats_limited')
     seats_max = fields.Integer(
         string='Maximum Seats',
         help="Define the number of available tickets. If you have too many registrations you will "
              "not be able to sell tickets anymore. Set 0 to ignore this rule set as unlimited.")
 
     @api.depends('seats_max')
-    def _compute_seats_availability(self):
+    def _compute_seats_limited(self):
         for ticket in self:
-            ticket.seats_availability = 'limited' if ticket.seats_max else 'unlimited'
+            ticket.seats_limited = ticket.seats_max
 
     @api.model
     def _get_event_ticket_fields_whitelist(self):
diff --git a/addons/event/tests/test_event_flow.py b/addons/event/tests/test_event_flow.py
index ff114bb4196..a1bd3ffcd35 100644
--- a/addons/event/tests/test_event_flow.py
+++ b/addons/event/tests/test_event_flow.py
@@ -82,7 +82,7 @@ class TestEventFlow(TestEventCommon):
             'date_begin': datetime.datetime.now() + relativedelta(days=-1),
             'date_end': datetime.datetime.now() + relativedelta(days=1),
             'seats_max': 2,
-            'seats_availability': 'limited',
+            'seats_limited': True,
         })
         self.assertTrue(test_event.auto_confirm)
 
@@ -124,7 +124,7 @@ class TestEventFlow(TestEventCommon):
             'name': 'TestEvent',
             'date_begin': datetime.datetime.now() + relativedelta(days=-1),
             'date_end': datetime.datetime.now() + relativedelta(days=1),
-            'seats_availability': 'limited',
+            'seats_limited': True,
             'seats_max': 10,
         })
         self.assertFalse(test_event.auto_confirm)
diff --git a/addons/event/tests/test_event_internals.py b/addons/event/tests/test_event_internals.py
index 4659149e1e1..9fa9b9476d5 100644
--- a/addons/event/tests/test_event_internals.py
+++ b/addons/event/tests/test_event_internals.py
@@ -61,7 +61,7 @@ class TestEventData(TestEventCommon):
 
         self.assertEqual(event.address_id, self.env.user.company_id.partner_id)
         # seats: coming from event type configuration
-        self.assertEqual(event.seats_availability, 'limited')
+        self.assertTrue(event.seats_limited)
         self.assertEqual(event.seats_available, event.event_type_id.seats_max)
         self.assertEqual(event.seats_unconfirmed, 0)
         self.assertEqual(event.seats_reserved, 0)
@@ -113,7 +113,7 @@ class TestEventData(TestEventCommon):
             'date_end': FieldsDatetime.to_string(datetime.today() + timedelta(days=15)),
         })
         self.assertEqual(event.date_tz, self.env.user.tz)
-        self.assertEqual(event.seats_availability, 'unlimited')
+        self.assertFalse(event.seats_limited)
         self.assertFalse(event.auto_confirm)
         self.assertEqual(event.event_mail_ids, self.env['event.mail'])
 
@@ -125,7 +125,7 @@ class TestEventData(TestEventCommon):
         })
         event.write({'event_type_id': event_type.id})
         self.assertEqual(event.date_tz, 'Europe/Paris')
-        self.assertEqual(event.seats_availability, 'limited')
+        self.assertTrue(event.seats_limited)
         self.assertEqual(event.seats_max, event_type.seats_max)
         self.assertTrue(event.auto_confirm)
         self.assertEqual(event.event_mail_ids.interval_nbr, 1)
@@ -162,7 +162,7 @@ class TestEventData(TestEventCommon):
         event.write({
             'date_end': datetime.now() + timedelta(days=3),
             'seats_max': 1,
-            'seats_availability': 'limited',
+            'seats_limited': True,
         })
         self.assertEqual(event.seats_available, 0)
         self.assertFalse(event.event_registrations_open)
@@ -246,11 +246,11 @@ class TestEventTicketData(TestEventCommon):
         first_ticket = event.event_ticket_ids.filtered(lambda t: t.name == 'First Ticket')
         second_ticket = event.event_ticket_ids.filtered(lambda t: t.name == 'Second Ticket')
 
-        self.assertEqual(first_ticket.seats_availability, 'limited')
+        self.assertTrue(first_ticket.seats_limited)
         self.assertTrue(first_ticket.sale_available)
         self.assertFalse(first_ticket.is_expired)
 
-        self.assertEqual(second_ticket.seats_availability, 'unlimited')
+        self.assertFalse(second_ticket.seats_limited)
         self.assertTrue(second_ticket.sale_available)
         self.assertFalse(second_ticket.is_expired)
         # sale is ended
diff --git a/addons/event/tests/test_event_security.py b/addons/event/tests/test_event_security.py
index 2ee16f2781b..019458e2fd9 100644
--- a/addons/event/tests/test_event_security.py
+++ b/addons/event/tests/test_event_security.py
@@ -26,7 +26,7 @@ class TestEventSecurity(TestEventCommon):
                 'name': 'TestEvent',
                 'date_begin': datetime.now() + relativedelta(days=-1),
                 'date_end': datetime.now() + relativedelta(days=1),
-                'seats_availability': 'limited',
+                'seats_limited': True,
                 'seats_max': 10,
             })
 
diff --git a/addons/event/views/event_ticket_views.xml b/addons/event/views/event_ticket_views.xml
index 973c0eb0c1f..b4210f37f0d 100644
--- a/addons/event/views/event_ticket_views.xml
+++ b/addons/event/views/event_ticket_views.xml
@@ -11,7 +11,7 @@
                 <field name="name"/>
                 <field name="description"/>
                 <field name="seats_max"/>
-                <field name="seats_availability"/>
+                <field name="seats_limited"/>
             </tree>
         </field>
 	</record>
@@ -26,7 +26,7 @@
                 <group>
                     <field name="name"/>
                     <field name="description"/>
-                    <field name="seats_availability"/>
+                    <field name="seats_limited"/>
                     <field name="seats_max"/>
                 </group>
             </sheet>
@@ -162,7 +162,7 @@
                     <group>
                         <group>
                             <field name="event_id"/>
-                            <field name="seats_availability"/>
+                            <field name="seats_limited"/>
                             <field name="seats_available"/>
                             <field name="start_sale_date"/>
                             <field name="end_sale_date"/>
diff --git a/addons/event/views/event_views.xml b/addons/event/views/event_views.xml
index a83cfe5dad5..4173227fb86 100644
--- a/addons/event/views/event_views.xml
+++ b/addons/event/views/event_views.xml
@@ -222,15 +222,10 @@
                                     context="{'show_address': 1}"
                                     options='{"always_reload": True}'/>
                                 <field name="auto_confirm"/>
-                            </group>
-                            <group>
-                                <label for="seats_availability"/>
+                                <label for="seats_limited" string="Limit Registrations"/>
                                 <div>
-                                    <field name="seats_availability" widget='radio'/>
-                                    <span  attrs="{'invisible': [('seats_availability', '=', 'unlimited')]}" class="oe_read_only">
-                                        to
-                                    </span>
-                                    <field name="seats_max" attrs="{'invisible': [('seats_availability', '=', 'unlimited')], 'required': [('seats_availability', '=', 'limited')]}"/>
+                                    <field name="seats_limited"/>
+                                    <span attrs="{'invisible': [('seats_limited', '=', False)], 'required': [('seats_limited', '=', False)]}">to <field name="seats_max" class="oe_inline"/> Attendees</span>
                                 </div>
                             </group>
                         </group>
@@ -535,7 +530,7 @@
                                 <field name="event_ticket_id"
                                     domain="[
                                         ('event_id', '=', event_id),
-                                        '|', ('seats_availability', '=', 'unlimited'), ('seats_available', '>', 0)
+                                        '|', ('seats_limited', '=', False), ('seats_available', '>', 0)
                                     ]"
                                     attrs="{'invisible': [('event_id', '=', False)]}"
                                     options="{'no_open': True, 'no_create': True}"/>
diff --git a/addons/event_sale/tests/test_event_internals.py b/addons/event_sale/tests/test_event_internals.py
index fc6341b51a5..b61b5a29872 100644
--- a/addons/event_sale/tests/test_event_internals.py
+++ b/addons/event_sale/tests/test_event_internals.py
@@ -43,7 +43,7 @@ class TestEventData(TestEventSaleCommon):
         # synchronize event
         event.write({'event_type_id': event_type.id})
         self.assertEqual(event.event_ticket_ids.name, event.event_type_id.event_type_ticket_ids.name)
-        self.assertEqual(event.event_ticket_ids.seats_availability, 'limited')
+        self.assertTrue(event.event_ticket_ids.seats_limited)
         self.assertEqual(event.event_ticket_ids.seats_max, 5)
         self.assertEqual(event.event_ticket_ids.product_id, self.event_product)
         self.assertEqual(event.event_ticket_ids.price, self.event_product.list_price)
@@ -120,10 +120,10 @@ class TestEventTicketData(TestEventSaleCommon):
         self.assertEqual(second_ticket.price, 8.0)
 
         # default availability
-        self.assertEqual(first_ticket.seats_availability, 'limited')
+        self.assertTrue(first_ticket.seats_limited)
         self.assertTrue(first_ticket.sale_available)
         self.assertFalse(first_ticket.is_expired)
-        self.assertEqual(second_ticket.seats_availability, 'unlimited')
+        self.assertFalse(second_ticket.seats_limited)
         self.assertTrue(second_ticket.sale_available)
         self.assertFalse(second_ticket.is_expired)
 
diff --git a/addons/event_sale/views/sale_order_views.xml b/addons/event_sale/views/sale_order_views.xml
index c050a48dc4a..c05774168e8 100644
--- a/addons/event_sale/views/sale_order_views.xml
+++ b/addons/event_sale/views/sale_order_views.xml
@@ -27,7 +27,7 @@
                     domain="[
                         ('event_id', '=', event_id),
                         ('product_id','=',product_id),
-                        '|', ('seats_availability', '=', 'unlimited'), ('seats_available', '>', 0), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)
+                        '|', ('seats_limited', '=', False), ('seats_available', '>', 0), '|', ('company_id', '=', False), ('company_id', '=', parent.company_id)
                     ]"
                     attrs="{
                         'invisible': ['|', ('event_ok', '=', False), ('event_id', '=', False)],
diff --git a/addons/event_sale/wizard/event_configurator_views.xml b/addons/event_sale/wizard/event_configurator_views.xml
index e588808deb0..db1399cdb34 100644
--- a/addons/event_sale/wizard/event_configurator_views.xml
+++ b/addons/event_sale/wizard/event_configurator_views.xml
@@ -20,7 +20,7 @@
                         domain="[
                             ('event_id', '=', event_id),
                             ('product_id','=',product_id),
-                            '|', ('seats_availability', '=', 'unlimited'), ('seats_available', '>', 0)
+                            '|', ('seats_limited', '=', False), ('seats_available', '>', 0)
                         ]"
                         attrs="{
                             'invisible': [('event_id', '=', False)],
diff --git a/addons/website_event/controllers/main.py b/addons/website_event/controllers/main.py
index ffb2e8b26bc..11e17a4f7a4 100644
--- a/addons/website_event/controllers/main.py
+++ b/addons/website_event/controllers/main.py
@@ -296,7 +296,7 @@ class WebsiteEventController(http.Controller):
     def registration_new(self, event, **post):
         tickets = self._process_tickets_form(event, post)
         availability_check = True
-        if event.seats_availability == 'limited':
+        if event.seats_limited:
             ordered_seats = 0
             for ticket in tickets:
                 ordered_seats += ticket['quantity']
diff --git a/addons/website_event/views/event_templates.xml b/addons/website_event/views/event_templates.xml
index f4c7f6c0a6a..27815e3215c 100644
--- a/addons/website_event/views/event_templates.xml
+++ b/addons/website_event/views/event_templates.xml
@@ -238,7 +238,7 @@
                     <footer
                             t-attf-class="small align-self-end w-100 #{opt_events_list_cards and 'card-footer' or ((not opt_events_list_columns) and 'border-top mx-4 mt-auto pt-2' or 'border-top py-2')}">
                         <span class="text-danger"
-                            t-if="event.seats_availability == 'limited' and not event.seats_available">
+                            t-if="event.seats_limited and not event.seats_available">
                             Sold Out
                         </span>
                     </footer>
@@ -587,8 +587,8 @@
                                 <select t-if="not ticket.is_expired and ticket.sale_available"
                                     t-attf-name="nb_register-#{ticket.id}"
                                     class="custom-select">
-                                    <t t-set="seats_max_ticket" t-value="(ticket.seats_availability == 'unlimited' or ticket.seats_available &gt; 9) and 10 or ticket.seats_available + 1"/>
-                                    <t t-set="seats_max_event" t-value="(event.seats_availability == 'unlimited' or event.seats_available &gt; 9) and 10 or event.seats_available + 1"/>
+                                    <t t-set="seats_max_ticket" t-value="(not ticket.seats_limited or ticket.seats_available &gt; 9) and 10 or ticket.seats_available + 1"/>
+                                    <t t-set="seats_max_event" t-value="(not event.seats_limited or event.seats_available &gt; 9) and 10 or event.seats_available + 1"/>
                                     <t t-set="seats_max" t-value="min(seats_max_ticket, seats_max_event)"/>
                                     <t t-foreach="range(0, seats_max)" t-as="nb">
                                         <option t-esc="nb" t-att-selected="len(ticket) == 0 and nb == 0 and 'selected'"/>
@@ -603,7 +603,7 @@
                     </div>
                     <div class="row no-gutters">
                         <div class="col-md-4 offset-md-8 py-2 pl-md-0 pr-md-2">
-                            <button type="submit" class="btn btn-primary o_wait_lazy_js btn-block a-submit" disabled="" t-attf-id="#{event.id}">Register<t t-if="event.seats_availability != 'unlimited'">(Available seats: <t t-esc="event.seats_available"/>)</t></button>
+                            <button type="submit" class="btn btn-primary o_wait_lazy_js btn-block a-submit" disabled="" t-attf-id="#{event.id}">Register<t t-if="event.seats_limited">(Available seats: <t t-esc="event.seats_available"/>)</t></button>
                         </div>
                     </div>
                 </div>
@@ -620,8 +620,8 @@
                                 <span class="text-dark font-weight-bold align-middle pr-2">Qty</span>
                                 <link itemprop="availability" content="http://schema.org/InStock"/>
                                 <select t-att-name="'nb_register-%s' % (tickets.id if tickets else 0)" class="w-auto custom-select">
-                                    <t t-set="seats_max_ticket" t-value="(not tickets or tickets.seats_availability == 'unlimited' or tickets.seats_available &gt; 9) and 10 or tickets.seats_available + 1"/>
-                                    <t t-set="seats_max_event" t-value="(event.seats_availability == 'unlimited' or event.seats_available &gt; 9) and 10 or event.seats_available + 1"/>
+                                    <t t-set="seats_max_ticket" t-value="(not tickets or not tickets.seats_limited or tickets.seats_available &gt; 9) and 10 or tickets.seats_available + 1"/>
+                                    <t t-set="seats_max_event" t-value="(not event.seats_limited or event.seats_available &gt; 9) and 10 or event.seats_available + 1"/>
                                     <t t-set="seats_max" t-value="min(seats_max_ticket, seats_max_event) if tickets else seats_max_event"/>
                                     <t t-foreach="range(0, seats_max)" t-as="nb">
                                         <option t-esc="nb" t-att-selected="nb == 1 and 'selected'"/>
diff --git a/addons/website_event_sale/models/sale_order.py b/addons/website_event_sale/models/sale_order.py
index 215412e0a9d..3a7c1c9f307 100644
--- a/addons/website_event_sale/models/sale_order.py
+++ b/addons/website_event_sale/models/sale_order.py
@@ -67,13 +67,13 @@ class SaleOrder(models.Model):
 
         # case: buying tickets for a sold out ticket
         values = {}
-        if ticket and ticket.seats_availability == 'limited' and ticket.seats_available <= 0:
+        if ticket and ticket.seats_limited and ticket.seats_available <= 0:
             values['warning'] = _('Sorry, The %(ticket)s tickets for the %(event)s event are sold out.') % {
                 'ticket': ticket.name,
                 'event': ticket.event_id.name}
             new_qty, set_qty, add_qty = 0, 0, -old_qty
         # case: buying tickets, too much attendees
-        elif ticket and ticket.seats_availability == 'limited' and new_qty > ticket.seats_available:
+        elif ticket and ticket.seats_limited and new_qty > ticket.seats_available:
             values['warning'] = _('Sorry, only %(remaining_seats)d seats are still available for the %(ticket)s ticket for the %(event)s event.') % {
                 'remaining_seats': ticket.seats_available,
                 'ticket': ticket.name,