diff --git a/apps/user_ldap/tests/group_ldap.php b/apps/user_ldap/tests/group_ldap.php
index 132fbfdf68..8ed2bc5c67 100644
--- a/apps/user_ldap/tests/group_ldap.php
+++ b/apps/user_ldap/tests/group_ldap.php
@@ -145,7 +145,7 @@ class Test_Group_Ldap extends \Test\TestCase {
 
 		$access->expects($this->once())
 			->method('searchGroups')
-			->will($this->returnValue(array('cn=foo,dc=barfoo,dc=bar')));
+			->will($this->returnValue([['dn' => ['cn=foo,dc=barfoo,dc=bar']]]));
 
 		$access->expects($this->once())
 			->method('dn2groupname')
@@ -221,7 +221,7 @@ class Test_Group_Ldap extends \Test\TestCase {
 
 		$access->expects($this->once())
 			->method('searchGroups')
-			->will($this->returnValue(array('cn=foo,dc=barfoo,dc=bar')));
+			->will($this->returnValue([['dn' => ['cn=foo,dc=barfoo,dc=bar']]]));
 
 		$access->expects($this->once())
 			->method('dn2groupname')
diff --git a/apps/user_ldap/tests/user_ldap.php b/apps/user_ldap/tests/user_ldap.php
index 69a76c0b7a..0f70c43fc1 100644
--- a/apps/user_ldap/tests/user_ldap.php
+++ b/apps/user_ldap/tests/user_ldap.php
@@ -124,7 +124,7 @@ class Test_User_Ldap_Direct extends \Test\TestCase {
 			   ->method('fetchListOfUsers')
 			   ->will($this->returnCallback(function($filter) {
 					if($filter === 'roland') {
-						return array(array('dn' => 'dnOfRoland,dc=test'));
+						return array(array('dn' => ['dnOfRoland,dc=test']));
 					}
 					return array();
 			   }));
@@ -133,7 +133,7 @@ class Test_User_Ldap_Direct extends \Test\TestCase {
 			->method('fetchUsersByLoginName')
 			->will($this->returnCallback(function($uid) {
 				if($uid === 'roland') {
-					return array(array('dn' => 'dnOfRoland,dc=test'));
+					return array(array('dn' => ['dnOfRoland,dc=test']));
 				}
 				return array();
 			}));