diff --git a/panel/classes/Panel/Vmail/MboxesEdit.php b/panel/classes/Panel/Vmail/MboxesEdit.php
index 2b4f590..edec05a 100644
--- a/panel/classes/Panel/Vmail/MboxesEdit.php
+++ b/panel/classes/Panel/Vmail/MboxesEdit.php
@@ -76,7 +76,7 @@ class MboxesEdit extends \Panel\Vmail {
       $ratelimit = "NULL";
     }
     $f3->call('\Panel::validateEmailRatelimit', $ratelimit);
-    $f3->call('\Panel::validateEmailFiltering', $filtering);
+    $f3->call('\Panel::validateEmailFiltering', $filter);
 
     /* check for validation errors */
     if ($f3->exists('SESSION.messages')) {