diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 12054c3ccb8..d56eeb2af0e 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -1281,6 +1281,7 @@ class Commande extends CommonOrder
 	{
 		global $conf, $hookmanager;
 
+		dol_include_once('/multicurrency/class/multicurrency.class.php');
 		dol_include_once('/core/class/extrafields.class.php');
 
 		$error = 0;