diff --git a/lib/ACL/ACLStorageWrapper.php b/lib/ACL/ACLStorageWrapper.php
index 7d620bf56..ab1579a66 100644
--- a/lib/ACL/ACLStorageWrapper.php
+++ b/lib/ACL/ACLStorageWrapper.php
@@ -94,10 +94,10 @@ public function rename($source, $target) {
 		if ($sourceParent === '.') {
 			$sourceParent = '';
 		}
-        $targetParent = dirname($target);
-        if ($targetParent === '.') {
-            $targetParent = '';
-        }
+	        $targetParent = dirname($target);
+	        if ($targetParent === '.') {
+	        	$targetParent = '';
+	        }
 		return  ($sourceParent === $targetParent ||
 			$this->checkPermissions($sourceParent, Constants::PERMISSION_DELETE)) &&
 			$this->checkPermissions($source, Constants::PERMISSION_UPDATE & Constants::PERMISSION_READ) &&