1 files changed, 3 insertions, 2 deletions
diff --git a/addons/mail/static/src/js/models/threads/livechat.js b/addons/mail/static/src/js/models/threads/livechat.js
index b7235e7bc0e..f4cb58ebad3 100644
--- a/addons/mail/static/src/js/models/threads/livechat.js
+++ b/addons/mail/static/src/js/models/threads/livechat.js
@@ -37,7 +37,8 @@ var Livechat = TwoUserChannel.extend({
      * display of a user that is typing.
      *
      * @override
-     * @returns {$.Promise<Object[]>} resolved with list of livechat members
+     * @returns {$.Promise<Array<Object[]>>} resolved with list of list of
+     *   livechat members.
      */
     getMentionPartnerSuggestions: function () {
         var self = this;
@@ -49,7 +50,7 @@ var Livechat = TwoUserChannel.extend({
                     name: self._WEBSITE_USER_NAME,
                 });
             }
-            return self._members;
+            return [self._members];
         });
     },
     /**