diff --git a/interface/web/admin/form/firewall.tform.php b/interface/web/admin/form/firewall.tform.php
index e136b345be40b4cc6e48d0c16d1f98d1ef48a104..28c46d03afceb1fc11d2852a776516fc04b838fa 100644
--- a/interface/web/admin/form/firewall.tform.php
+++ b/interface/web/admin/form/firewall.tform.php
@@ -76,7 +76,7 @@ $form["tabs"]['firewall'] = array (
 			'datatype' => 'VARCHAR',
 			'formtype' => 'TEXT',
 			'validators' => array (  0 => array ( 'type' => 'REGEX',
-					'regex' => '/^[\s0-9\,\:]{0,255}$/',
+					'regex' => '/^[0-9\,\:]{0,255}$/',
 					'errmsg'=> 'tcp_ports_error_regex'),
 			),
 			'default' => '20,21,22,25,53,80,110,143,443,465,587,993,995,3306,8080,8081,10000',
@@ -88,7 +88,7 @@ $form["tabs"]['firewall'] = array (
 			'datatype' => 'VARCHAR',
 			'formtype' => 'TEXT',
 			'validators' => array (  0 => array ( 'type' => 'REGEX',
-					'regex' => '/^[\s0-9\,\:]{0,255}$/',
+					'regex' => '/^[0-9\,\:]{0,255}$/',
 					'errmsg'=> 'tcp_ports_error_regex'),
 			),
 			'default' => '53,3306',