diff --git a/htdocs/knowledgemanagement/knowledgerecord_list.php b/htdocs/knowledgemanagement/knowledgerecord_list.php
index d4a702f26b8..c2e26fb7a86 100644
--- a/htdocs/knowledgemanagement/knowledgerecord_list.php
+++ b/htdocs/knowledgemanagement/knowledgerecord_list.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2007-2017 Laurent Destailleur  <eldy@users.sourceforge.net>
- * Copyright (C) ---Put here your own copyright and developer email---
+ * Copyright (C) 2021       Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -104,7 +104,7 @@ foreach ($object->fields as $key => $val) {
 // List of fields to search into when doing a "search in all"
 $fieldstosearchall = array();
 foreach ($object->fields as $key => $val) {
-	if ($val['searchall']) {
+	if (!empty($val['searchall'])) {
 		$fieldstosearchall['t.'.$key] = $val['label'];
 	}
 }