diff --git a/addons/event/views/event_views.xml b/addons/event/views/event_views.xml
index c5851b26765..5930492effa 100644
--- a/addons/event/views/event_views.xml
+++ b/addons/event/views/event_views.xml
@@ -682,7 +682,7 @@
             <field name="arch" type="xml">
                 <search string="Event Registration">
                     <field name="id" string="Registration ID"/>
-                    <field name="name" string="Participant" filter_domain="['|', '|', ('name', 'ilike', self), ('email', 'ilike', self)]"/>
+                    <field name="name" string="Participant" filter_domain="['|', ('name', 'ilike', self), ('email', 'ilike', self)]"/>
                     <filter string="Ongoing Events" name="filter_is_ongoing" domain="[('event_id.is_ongoing', '=', True)]"/>
                     <separator/>
                     <filter string="Unread Messages" name="message_needaction" domain="[('message_needaction','=',True)]"/>