diff --git a/js/panel_controller.js b/js/panel_controller.js
index 7f9e22dffba6..188ed8a27d08 100644
--- a/js/panel_controller.js
+++ b/js/panel_controller.js
@@ -97,7 +97,7 @@
                 sender.fetch().then(function() {
                     var notification = new Notification(sender.getTitle(), {
                         body: message.getDescription(),
-                        icon: sender.getAvatarUrl(),
+                        icon: sender.getAvatar().url,
                         tag: conversation.id
                     });
                     notification.onclick = function() {