diff --git a/addons/im_livechat/views/im_livechat_channel_views.xml b/addons/im_livechat/views/im_livechat_channel_views.xml
index 266889e1796..e0efff90d4c 100644
--- a/addons/im_livechat/views/im_livechat_channel_views.xml
+++ b/addons/im_livechat/views/im_livechat_channel_views.xml
@@ -103,7 +103,7 @@
                         </div>
                         <notebook>
                             <page string="Operators" name="operators">
-                                    <field name="user_ids" colspan="2">
+                                    <field name="user_ids" nolabel="1" colspan="2" domain="[['groups_id', 'not in', %(base.group_portal)d]]">
                                         <kanban>
                                             <field name="id"/>
                                             <field name="name"/>