diff --git a/src/AIMGateway.php b/src/AIMGateway.php
index c4c354f7..09cfdb39 100644
--- a/src/AIMGateway.php
+++ b/src/AIMGateway.php
@@ -21,7 +21,7 @@ public function getDefaultParameters()
             'transactionKey'    => '',
             'testMode'          => false,
             'developerMode'     => false,
-            'liveEndpoint'      => 'https://secure.authorize.net/gateway/transact.dll',
+            'liveEndpoint'      => 'https://secure2.authorize.net/gateway/transact.dll',
             'developerEndpoint' => 'https://test.authorize.net/gateway/transact.dll',
         );
     }