diff --git a/interface/web/sites/list/web_subdomain.list.php b/interface/web/sites/list/web_subdomain.list.php
index f8824adc83974de35c71bfa79ff6ede01528ab4c..057498b8e294d37af8637aee115543fb04dc2228 100644
--- a/interface/web/sites/list/web_subdomain.list.php
+++ b/interface/web/sites/list/web_subdomain.list.php
@@ -75,9 +75,9 @@ $liste["item"][] = array(	'field'		=> "server_id",
 $liste["item"][] = array(	'field'		=> "parent_domain_id",
 							'datatype'	=> "VARCHAR",
 							'formtype'	=> "SELECT",
-							'op'		=> "like",
-							'prefix'	=> "%",
-							'suffix'	=> "%",
+							'op'		=> "=",
+							'prefix'	=> "",
+							'suffix'	=> "",
 							'datasource'	=> array ( 	'type'	=> 'SQL',
 										'querystring' => "SELECT domain_id,domain FROM web_domain WHERE type = 'vhost' AND {AUTHSQL} ORDER BY domain",
 										'keyfield'=> 'domain_id',