diff --git a/tests/Message/ListPlansTest.php b/tests/Message/ListPlansTest.php
index abb1d943..98d4823e 100644
--- a/tests/Message/ListPlansTest.php
+++ b/tests/Message/ListPlansTest.php
@@ -18,7 +18,7 @@ public function testEndpoint()
 
     public function testSendSuccess()
     {
-        $this->setMockHttpResponse('ListPlans.txt');
+        $this->setMockHttpResponse('ListPlansSuccess.txt');
         $response = $this->request->send();
 
         $this->assertTrue($response->isSuccessful());