diff --git a/htdocs/modulebuilder/template/myobject_list.php b/htdocs/modulebuilder/template/myobject_list.php
index 13f359f43cc..46f347618f4 100644
--- a/htdocs/modulebuilder/template/myobject_list.php
+++ b/htdocs/modulebuilder/template/myobject_list.php
@@ -122,7 +122,7 @@ $search_all=trim(GETPOST("search_all", 'alpha'));
 $search=array();
 foreach($object->fields as $key => $val)
 {
-	if (GETPOST('search_'.$key, 'alpha')) $search[$key]=GETPOST('search_'.$key, 'alpha');
+	if (GETPOST('search_'.$key, 'alpha') !== '') $search[$key]=GETPOST('search_'.$key, 'alpha');
 }
 
 // List of fields to search into when doing a "search in all"