diff --git a/src/pixi/utils/Utils.js b/src/pixi/utils/Utils.js
index 3f73328..0740369 100644
--- a/src/pixi/utils/Utils.js
+++ b/src/pixi/utils/Utils.js
@@ -61,7 +61,7 @@
   })();
 }
 
-var AjaxRequest = function()
+var AjaxRequest = PIXI.AjaxRequest = function()
 {
 	var activexmodes = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP"] //activeX versions to check for in IE