diff --git a/src/Action/NotifyAction.php b/src/Action/NotifyAction.php
index 8f295e5..e1fdf53 100644
--- a/src/Action/NotifyAction.php
+++ b/src/Action/NotifyAction.php
@@ -32,8 +32,8 @@ public function execute($request)
 
         $details = ArrayObject::ensureArrayObject($request->getModel());
 
-        if (method_exists($this->api, 'fetchTransaction')) {
-            $response = $this->api->fetchTransaction($details->toUnsafeArray())->send();
+        if (method_exists($this->api, 'completePurchase')) {
+            $response = $this->api->completePurchase($details->toUnsafeArray())->send();
         } else if (method_exists($this->api, 'acceptNotification')) {
             $response = $this->api->acceptNotification($details->toUnsafeArray())->send();
         }
@@ -55,7 +55,7 @@ public function supports($request)
         return
             $request instanceof Notify &&
             $request->getModel() instanceof \ArrayAccess && (
-                method_exists($this->api, 'fetchTransaction') ||
+                method_exists($this->api, 'completePurchase') ||
                 method_exists($this->api, 'acceptNotification')
             )
         ;
diff --git a/tests/Action/NotifyActionTest.php b/tests/Action/NotifyActionTest.php
index 6472545..fe4c770 100644
--- a/tests/Action/NotifyActionTest.php
+++ b/tests/Action/NotifyActionTest.php
@@ -9,7 +9,7 @@
 use Payum\Core\Request\Notify;
 use Payum\Core\Tests\GenericActionTest;
 use Payum\OmnipayBridge\Action\NotifyAction;
-use Payum\OmnipayBridge\Tests\MollieGateway;
+use Payum\OmnipayBridge\Tests\OffsiteGateway;
 
 /**
  * @author Steffen Brem <steffenbrem@gmail.com>
@@ -23,7 +23,7 @@ class NotifyActionTest extends GenericActionTest
     protected function setUp()
     {
         $this->action = new $this->actionClass();
-        $this->action->setApi(new MollieGateway());
+        $this->action->setApi(new OffsiteGateway());
     }
 
     /**
@@ -48,8 +48,8 @@ public function shouldSetStatusCapturedWhenSuccessful()
 
         $action = new NotifyAction();
 
-        $gateway = new MollieGateway();
-        $gateway->returnFetchTransaction = $requestMock;
+        $gateway = new OffsiteGateway();
+        $gateway->returnOnCompletePurchase = $requestMock;
         $action->setApi($gateway);
 
         try {
@@ -85,8 +85,8 @@ public function shouldSetStatusFailedWhenNotSuccessful()
 
         $action = new NotifyAction();
 
-        $gateway = new MollieGateway();
-        $gateway->returnFetchTransaction = $requestMock;
+        $gateway = new OffsiteGateway();
+        $gateway->returnOnCompletePurchase = $requestMock;
         $action->setApi($gateway);
 
         try {
diff --git a/tests/MollieGateway.php b/tests/MollieGateway.php
deleted file mode 100644
index 675fa4f..0000000
--- a/tests/MollieGateway.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-namespace Payum\OmnipayBridge\Tests;
-
-use Omnipay\Common\AbstractGateway;
-
-/**
- * @author Steffen Brem <steffenbrem@gmail.com>
- */
-class MollieGateway extends AbstractGateway
-{
-    public $returnFetchTransaction;
-
-    public function getName() {}
-
-    public function fetchTransaction()
-    {
-        return $this->returnFetchTransaction;
-    }
-}