diff --git a/YouTube Mobile - No minimization halt.user.js b/YouTube Mobile - No minimization halt.user.js
index 3c87560..860a775 100644
--- a/YouTube Mobile - No minimization halt.user.js	
+++ b/YouTube Mobile - No minimization halt.user.js	
@@ -9,7 +9,7 @@
 // @run-at      document-start
 // ==/UserScript==
 
-docEventListener = document.__proto__.addEventListener
+var docEventListener = document.__proto__.addEventListener
 document.__proto__.addEventListener = function() {
   if (arguments[0] == "visibilitychange") {
     return