diff --git a/addons/website_event_questions/views/event_views.xml b/addons/website_event_questions/views/event_views.xml
index 4f854871cdd..6f7814ba59e 100644
--- a/addons/website_event_questions/views/event_views.xml
+++ b/addons/website_event_questions/views/event_views.xml
@@ -21,6 +21,8 @@
                     <page string="Answers" name="answers">
                         <field name="answer_ids">
                             <tree editable="bottom">
+                                <!-- 'display_name' is necessary for the many2many_tags to work on the event view -->
+                                <field name="display_name" invisible="1" />
                                 <field name="sequence" widget="handle" />
                                 <field name="name"/>
                             </tree>