lib/speed_gun/app/public/browser.js in speed_gun-0.0.2 vs lib/speed_gun/app/public/browser.js in speed_gun-0.0.3

@@ -64,10 +64,10 @@
       speedGun.send(queue[i])
     }
   }
 
   var loadedInterval = setInterval(function() {
-    if (performance.timing.loadEventEnd != 0) {
+    if (performance && performance.timing && performance.timing.loadEventEnd != 0) {
       clearInterval(loadedInterval);
 
       speedGun.id = $('#speed_gun').data('speed-gun-id');
       speedGun.endpoint = $('#speed_gun').data('speed-gun-endpoint') + "/" + speedGun.id;
       speedGun.activated = true;