diff --git a/core/js/js.js b/core/js/js.js
index c7a06b85e5..0a83f1104a 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -1723,7 +1723,7 @@ function formatDate(timestamp){
  */
 function getURLParameter(name) {
 	return decodeURI(
-			(RegExp(name + '=' + '(.+?)(&|$)').exec(location.search) || [, null])[1]
+			(RegExp(name + '=' + '(.+?)(&|$)').exec(location.search) || [, ''])[1]
 			);
 }