diff --git a/lib/paypal-common.es6 b/lib/paypal-common.es6
index e741df9..d1def65 100644
--- a/lib/paypal-common.es6
+++ b/lib/paypal-common.es6
@@ -28,7 +28,7 @@ PayPal.config.attachSchema(new SimpleSchema({
 
 // David Morales on SO - http://stackoverflow.com/a/11582513
 getURLParameter = function(name){
-  return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[,""])[1].replace(/\+/g, '%20'))||null;
+  return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search)||[null,""])[1].replace(/\+/g, '%20'))||null;
 };
 
 result = function(r){
@@ -145,4 +145,4 @@ PayPal.onPaymentFailure = function(cb){
 
 // Stubs
 PayPal._onPaymentError = function(){};
-PayPal._onPaymentSuccess = function(){};
\ No newline at end of file
+PayPal._onPaymentSuccess = function(){};