diff --git a/javascript/notification.js b/javascript/notification.js
index e649e4ad8..3b68ffe53 100644
--- a/javascript/notification.js
+++ b/javascript/notification.js
@@ -4,7 +4,7 @@ let lastHeadImg = null;
 
 let notificationButton = null;
 
-const regExpTempImage = /\/tmp.*\.png$/g;
+const regExpTempImage = /(?<=\/|\\)tmp[\w\d]{8}\.png$/gm;
 
 onUiUpdate(function(){
     if(notificationButton == null){