diff --git a/src/alertify.js b/src/alertify.js
index 5e6c167e..2ee729ea 100644
--- a/src/alertify.js
+++ b/src/alertify.js
@@ -623,4 +623,4 @@
 		global.alertify = new Alertify();
 	}
 
-}(this));
+}(window));