diff --git a/api/src/Vfs.php b/api/src/Vfs.php
index e40592b453..065bf9dafb 100644
--- a/api/src/Vfs.php
+++ b/api/src/Vfs.php
@@ -727,7 +727,7 @@ class Vfs
 				throw new Exception\AssertionFailed(__METHOD__.'('.array2string($urls).") Cautiously rejecting to remove folder '$url'!");
 			}
 		}
-		return self::find($urls,array('depth'=>true,'url'=>$allow_urls,'hidden'=>true),array(__CLASS__,'_rm_rmdir'));
+		return self::find($urls, array('depth'=>true,'url'=>$allow_urls,'hidden'=>true), __CLASS__.'::_rm_rmdir');
 	}
 
 	/**
diff --git a/api/src/Vfs/Hooks.php b/api/src/Vfs/Hooks.php
index a496fd3cf8..f5068a4e1d 100644
--- a/api/src/Vfs/Hooks.php
+++ b/api/src/Vfs/Hooks.php
@@ -96,7 +96,7 @@ class Hooks
 			}
 			Api\Vfs::rename('/home/'.$data['account_lid'],$new_dir);
 			// make the new owner the owner of the dir and it's content
-			Api\Vfs::find($new_dir,array(),array('egw_vfs','chown'),$data['new_owner']);
+			Api\Vfs::find($new_dir, array(), 'EGroupware\Api\Vfs::chown', $data['new_owner']);
 		}
 		elseif(!empty($data['account_lid']) && $data['account_lid'] != '/')
 		{