diff --git a/addons/mail/models/mail_channel.py b/addons/mail/models/mail_channel.py
index 7258a64448d..3682e8101a9 100644
--- a/addons/mail/models/mail_channel.py
+++ b/addons/mail/models/mail_channel.py
@@ -1183,7 +1183,7 @@ class Channel(models.Model):
                     'id': member.partner_id.id,
                     'name': member.partner_id.name,
                     'im_status': member.partner_id.im_status,
-                })]
+                })] if member.partner_id else [('clear',)],
             } for member in channel_partners])],
             'memberCount': count,
         }
diff --git a/addons/mail/static/src/models/channel_member.js b/addons/mail/static/src/models/channel_member.js
index 747fe126e91..59fd64de270 100644
--- a/addons/mail/static/src/models/channel_member.js
+++ b/addons/mail/static/src/models/channel_member.js
@@ -27,6 +27,9 @@ registerModel({
          * @returns {string}
          */
         _computeName() {
+            if (!this.partner) {
+                return;
+            }
             return this.partner.nameOrDisplayName;
         },
     },