diff --git a/public/runner/runner.js b/public/runner/runner.js
index af31c6bf..f12022ff 100644
--- a/public/runner/runner.js
+++ b/public/runner/runner.js
@@ -112,7 +112,7 @@ var processor = (function () {
 
   processor.blockingMethods = {
     kill: '<script>try{window.open=function(){};window.print=function(){};window.alert=function(){};window.prompt=function(){};window.confirm=function(){};}catch(e){}</script>',
-    restore: '<script>try{delete window.print;delete window.alert;delete window.prompt;delete window.confirm;delete window.open;}catch(e){}</script>',
+    restore: '<script>try{delete window.print;delete window.alert;delete window.prompt;delete window.confirm;delete window.open;}catch(e){}</script>'
   };
 
   /**