diff --git a/op/op.EditFolder.php b/op/op.EditFolder.php
index 5ced89a82..c2f2afc57 100644
--- a/op/op.EditFolder.php
+++ b/op/op.EditFolder.php
@@ -70,6 +70,7 @@ $oldcomment = $folder->getComment();
  * will just update the old attribute object in array attributes[] and hence
  * also update the old value
  */
+$oldattributes = array();
 foreach($folder->getAttributes() as $ai=>$aa)
 	$oldattributes[$ai] = clone $aa;