diff --git a/src/raven.js b/src/raven.js
index 0bec5f0f204d..936e9f2efbf3 100644
--- a/src/raven.js
+++ b/src/raven.js
@@ -499,10 +499,11 @@ Raven.prototype = {
 
     /**** Private functions ****/
     _ignoreNextOnError: function () {
+        var self = this;
         this._ignoreOnError += 1;
         setTimeout(function () {
             // onerror should trigger before setTimeout
-            this._ignoreOnError -= 1;
+            self._ignoreOnError -= 1;
         });
     },