diff --git a/addons/event/data/event_demo.xml b/addons/event/data/event_demo.xml
index 2563053c959..2e96c69f0e5 100644
--- a/addons/event/data/event_demo.xml
+++ b/addons/event/data/event_demo.xml
@@ -81,7 +81,7 @@
         <field name="date_tz">US/Pacific</field>
         <field name="event_type_id" ref="event_type_0"/>
         <field name="stage_id" ref="event_stage_booked"/>
-        <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_1,event_tag_category_2_tag_1])]"/>
+        <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">
@@ -118,7 +118,7 @@
         <field name="address_id" ref="event.res_partner_location_0"/>
         <field name="stage_id" ref="event_stage_booked"/>
         <field name="kanban_state">blocked</field>
-        <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_4,event_tag_category_2_tag_3])]"/>
+        <field name="tag_ids" eval="[(4, ref('event.event_tag_category_1_tag_4')), (4, ref('event.event_tag_category_2_tag_3'))]"/>
     </record>
 
     <record id="message_event_1_0" model="mail.message">
@@ -172,7 +172,7 @@
         <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])]"/>
+        <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">
@@ -209,7 +209,7 @@
         <field name="event_type_id" ref="event_type_0"/>
         <field name="address_id" ref="event.res_partner_location_1"/>
         <field name="stage_id" ref="event_stage_announced"/>
-        <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_3,event_tag_category_2_tag_2])]"/>
+        <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">
@@ -251,7 +251,7 @@
         <field name="event_type_id" ref="event_type_1"/>
         <field name="stage_id" ref="event_stage_done"/>
         <field name="kanban_state">done</field>
-        <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_4,event_tag_category_2_tag_1])]"/>
+        <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">
@@ -277,7 +277,7 @@
         <field eval="(DateTime.today()+ timedelta(days=371)).strftime('%Y-%m-%d 17:00:00')" name="date_end"/>
         <field name="event_type_id" ref="event_type_2"/>
         <field name="address_id" ref="event.res_partner_location_1"/>
-        <field name="tag_ids" eval="[(6, 0, [event_tag_category_1_tag_2,event_tag_category_2_tag_3])]"/>
+        <field name="tag_ids" eval="[(6, 0, [ref('event.event_tag_category_1_tag_2'), ref('event.event_tag_category_2_tag_3')])]"/>
     </record>
 
     <record id="event.event_6" model="event.event">