diff --git a/htdocs/asset/document.php b/htdocs/asset/document.php
index f82c8fea5f1..32a4163dd12 100644
--- a/htdocs/asset/document.php
+++ b/htdocs/asset/document.php
@@ -70,7 +70,7 @@ if ($object->fetch($id))
  * Actions
  */
 
-require_once DOL_DOCUMENT_ROOT.'/core/actions_linkedfiles.inc.php';
+include DOL_DOCUMENT_ROOT.'/core/actions_linkedfiles.inc.php';
 
 
 /*