diff --git a/static/js/pad.js b/static/js/pad.js
index 172f9323..e6d8dc9a 100644
--- a/static/js/pad.js
+++ b/static/js/pad.js
@@ -401,6 +401,8 @@ var pad = {
 
   init: function()
   {
+    padutils.setupGlobalExceptionHandler();
+
     $(document).ready(function()
     {
       //start the costum js
diff --git a/static/js/pad_utils.js b/static/js/pad_utils.js
index 464c5058..071185a8 100644
--- a/static/js/pad_utils.js
+++ b/static/js/pad_utils.js
@@ -459,17 +459,25 @@ var padutils = {
   }
 };
 
-//send javascript errors to the server
-window.onerror = function test (msg, url, linenumber)
-{
- var errObj = {errorInfo: JSON.stringify({msg: msg, url: url, linenumber: linenumber, userAgent: navigator.userAgent})};
- var loc = document.location;
- var url = loc.protocol + "//" + loc.hostname + ":" + loc.port + "/" + loc.pathname.substr(1, loc.pathname.indexOf("/p/")) + "jserror";
+var globalExceptionHandler = undefined;
+function setupGlobalExceptionHandler() {
+  //send javascript errors to the server
+  if (!globalExceptionHandler) {
+    globalExceptionHandler = function test (msg, url, linenumber)
+    {
+     var errObj = {errorInfo: JSON.stringify({msg: msg, url: url, linenumber: linenumber, userAgent: navigator.userAgent})};
+     var loc = document.location;
+     var url = loc.protocol + "//" + loc.hostname + ":" + loc.port + "/" + loc.pathname.substr(1, loc.pathname.indexOf("/p/")) + "jserror";
  
- $.post(url, errObj);
+     $.post(url, errObj);
  
- return false;
-};
+     return false;
+    };
+    window.onerror = globalExceptionHandler;
+  }
+}
+
+padutils.setupGlobalExceptionHandler = setupGlobalExceptionHandler;
 
 padutils.binarySearch = require('/ace2_common').binarySearch;