diff --git a/interface/web/admin/form/firewall.tform.php b/interface/web/admin/form/firewall.tform.php
index 28c46d03afceb1fc11d2852a776516fc04b838fa..bdf42f3ead16a1152a9f2731d295fb4a2efbb704 100644
--- a/interface/web/admin/form/firewall.tform.php
+++ b/interface/web/admin/form/firewall.tform.php
@@ -89,7 +89,7 @@ $form["tabs"]['firewall'] = array (
 			'formtype' => 'TEXT',
 			'validators' => array (  0 => array ( 'type' => 'REGEX',
 					'regex' => '/^[0-9\,\:]{0,255}$/',
-					'errmsg'=> 'tcp_ports_error_regex'),
+					'errmsg'=> 'udp_ports_error_regex'),
 			),
 			'default' => '53,3306',
 			'value'  => '',