diff --git a/htdocs/commande/index.php b/htdocs/commande/index.php
index 479851b23c4..1756431f30b 100644
--- a/htdocs/commande/index.php
+++ b/htdocs/commande/index.php
@@ -28,6 +28,7 @@
 require("../main.inc.php");
 require_once(DOL_DOCUMENT_ROOT."/html.formfile.class.php");
 require_once(DOL_DOCUMENT_ROOT ."/notify.class.php");
+require_once(DOL_DOCUMENT_ROOT ."/commande/commande.class.php");
 
 if (!$user->rights->commande->lire) accessforbidden();