diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index 76efd037c..1cfc21177 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -271,7 +271,8 @@ const NotificationsBox = new Lang.Class({
                              });
 
             this._updateVisibility();
-            this.emit('wake-up-screen');
+            if (obj.sourceBox.visible)
+                this.emit('wake-up-screen');
         }
     },