diff --git a/apps/user_ldap/tests/User_LDAPTest.php b/apps/user_ldap/tests/User_LDAPTest.php
index 35c692d634fb8..633ca69e6e8e5 100644
--- a/apps/user_ldap/tests/User_LDAPTest.php
+++ b/apps/user_ldap/tests/User_LDAPTest.php
@@ -183,6 +183,10 @@ private function prepareAccessForCheckPassword($noDisplayName = false) {
 			   ->method('dn2username')
 			   ->with($this->equalTo('dnOfRoland,dc=test'))
 			   ->willReturn($retVal);
+		$this->access->expects($this->any())
+			   ->method('username2dn')
+			   ->with($this->equalTo('gunslinger'))
+			   ->willReturn('dnOfRoland,dc=test');
 		$this->access->expects($this->any())
 			   ->method('stringResemblesDN')
 			   ->with($this->equalTo('dnOfRoland,dc=test'))