diff --git a/addons/website_event_meet/views/event_meeting_room_views.xml b/addons/website_event_meet/views/event_meeting_room_views.xml
index cf956aacd9b..0b56803f466 100644
--- a/addons/website_event_meet/views/event_meeting_room_views.xml
+++ b/addons/website_event_meet/views/event_meeting_room_views.xml
@@ -68,12 +68,12 @@
         <field name="arch" type="xml">
             <tree string="Meeting Room" multi_edit="1" sample="1">
                 <field name="name"/>
-                <field name="summary"/>
+                <field name="summary" optional="hide"/>
                 <field name="target_audience"/>
                 <field name="is_published"/>
                 <field name="is_pinned"/>
                 <field name="room_is_full" readonly="1"/>
-                <field name="room_participant_count" readonly="1"/>
+                <field name="room_participant_count" readonly="1" sum="Total Participant Count" />
                 <field name="room_max_capacity"/>
                 <field name="room_lang_id"/>
             </tree>