diff --git a/src/Message/PxPayAuthorizeRequest.php b/src/Message/PxPayAuthorizeRequest.php
index afa7b2e..9a05541 100644
--- a/src/Message/PxPayAuthorizeRequest.php
+++ b/src/Message/PxPayAuthorizeRequest.php
@@ -10,7 +10,7 @@
  */
 class PxPayAuthorizeRequest extends AbstractRequest
 {
-    protected $endpoint = 'https://sec.paymentexpress.com/pxpay/pxaccess.aspx';
+    protected $endpoint = 'https://sec.paymentexpress.com/pxaccess/pxpay.aspx';
     protected $action = 'Auth';
 
     public function getUsername()