diff --git a/src/domain/session/room/timeline/tiles/CallTile.js b/src/domain/session/room/timeline/tiles/CallTile.js
index 1758e6bb..b762cef4 100644
--- a/src/domain/session/room/timeline/tiles/CallTile.js
+++ b/src/domain/session/room/timeline/tiles/CallTile.js
@@ -51,7 +51,7 @@ export class CallTile extends SimpleTile {
                 emitChange,
                 mediaRepository: this.getOption("room").mediaRepository
             })),
-        ).sortValues((a, b) => a.avatarTitle < b.avatarTitle ? -1 : 1);
+        ).sortValues((a, b) => a.userId.localeCompare(b.userId));
     }
 
     get confId() {
@@ -118,6 +118,10 @@ class MemberAvatarViewModel extends ViewModel {
         return this.getOption("member");
     }
 
+    get userId() {
+        return this._member.userId;
+    }
+
     get avatarLetter() {
         return avatarInitials(this._member.member.name);
     }