diff --git a/addons/event/data/event_demo.xml b/addons/event/data/event_demo.xml
index 2e96c69f0e5..c3699cf6e2e 100644
--- a/addons/event/data/event_demo.xml
+++ b/addons/event/data/event_demo.xml
@@ -82,7 +82,6 @@
         <field name="event_type_id" ref="event_type_0"/>
         <field name="stage_id" ref="event_stage_booked"/>
         <field name="tag_ids" eval="[(4, ref('event.event_tag_category_1_tag_1')), (4, ref('event.event_tag_category_2_tag_1'))]"/>
-        <field name="event_ticket_ids" eval="False"/>
     </record>
     <record id="event_0_ticket_0" model="event.event.ticket">
         <field name="name">Free</field>
@@ -173,7 +172,6 @@
         <field name="seats_max">200</field>
         <field name="stage_id" ref="event_stage_booked"/>
         <field name="tag_ids" eval="[(4, ref('event.event_tag_category_1_tag_4')), (4, ref('event.event_tag_category_2_tag_1'))]"/>
-        <field name="event_ticket_ids" eval="False"/>
     </record>
     <record id="event_2_ticket_1" model="event.event.ticket">
         <field name="name">Standard</field>
@@ -210,7 +208,6 @@
         <field name="address_id" ref="event.res_partner_location_1"/>
         <field name="stage_id" ref="event_stage_announced"/>
         <field name="tag_ids" eval="[(4, ref('event.event_tag_category_1_tag_3')), (4, ref('event.event_tag_category_2_tag_2'))]"/>
-        <field name="event_ticket_ids" eval="False"/>
     </record>
     <record id="event_3_ticket_0" model="event.event.ticket">
         <field name="name">Standard</field>
@@ -252,7 +249,6 @@
         <field name="stage_id" ref="event_stage_done"/>
         <field name="kanban_state">done</field>
         <field name="tag_ids" eval="[(4, ref('event.event_tag_category_1_tag_4')), (4, ref('event.event_tag_category_2_tag_1'))]"/>
-        <field name="event_ticket_ids" eval="False"/>
     </record>
     <record id="event_4_ticket_0" model="event.event.ticket">
         <field name="name">General Admission</field>
diff --git a/addons/event/models/event_event.py b/addons/event/models/event_event.py
index 9dfcf8c5139..175e9d3f7a0 100644
--- a/addons/event/models/event_event.py
+++ b/addons/event/models/event_event.py
@@ -483,6 +483,7 @@ class EventEvent(models.Model):
         res = super(EventEvent, self).create(vals)
         if res.organizer_id:
             res.message_subscribe([res.organizer_id.id])
+        res.flush()
         return res
 
     def write(self, vals):