diff --git a/src/PHPCRAPI/PHPCR/Tests/RepositoryTest.php b/src/PHPCRAPI/PHPCR/Tests/RepositoryTest.php
index ddf5657..d3c88d5 100644
--- a/src/PHPCRAPI/PHPCR/Tests/RepositoryTest.php
+++ b/src/PHPCRAPI/PHPCR/Tests/RepositoryTest.php
@@ -18,7 +18,8 @@ public function testItShouldInstanciateTheFactory()
             ->fooBar()
             ->new();
 
-        $factoryInstance = $this->mock()
+        $factoryInstance = $this->mock('\PHPCR\RepositoryFactoryInterface')
+            ->getConfigurationKeys()
             ->getRepository($repositoryInterface)
             ->new();