diff --git a/pages/ajax.searchform.php b/pages/ajax.searchform.php
index 5ba9f5701c..3041d89d8e 100644
--- a/pages/ajax.searchform.php
+++ b/pages/ajax.searchform.php
@@ -52,7 +52,7 @@ try
 
     if (array_key_exists('table_inner_id', $aListParams))
     {
-        $sListId = utils::HtmlEntities($aListParams['table_inner_id']);
+        $sListId = utils::Sanitize($aListParams['table_inner_id'], '', utils::ENUM_SANITIZATION_FILTER_ELEMENT_IDENTIFIER);
     }
 
 	if (array_key_exists('json', $aListParams))