diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 4fe17f5dc..3d1a8b268 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -677,6 +677,7 @@ const Notification = new Lang.Class({
         }
 
         this.updated();
+        this.emit('updated', params.clear);
     },
 
     setIconVisible: function(visible) {