diff --git a/htdocs/fourn/commande/list.php b/htdocs/fourn/commande/list.php
index de195504d39..56ebfb5cbf7 100644
--- a/htdocs/fourn/commande/list.php
+++ b/htdocs/fourn/commande/list.php
@@ -292,10 +292,8 @@ if (empty($reshook)) {
 				$objecttmp->mode_reglement_id	= $cmd->mode_reglement_id;
 				$objecttmp->fk_project = $cmd->fk_project;
 				$objecttmp->multicurrency_code = $cmd->multicurrency_code;
-				if (empty($createbills_onebythird)) {
-					$objecttmp->ref_supplier = !empty($cmd->ref_supplier) ? $cmd->ref_supplier : $default_ref_supplier;
-					$default_ref_supplier+=1;
-				}
+				$objecttmp->ref_supplier = !empty($cmd->ref_supplier) ? $cmd->ref_supplier : $default_ref_supplier;
+				$default_ref_supplier+=1;
 
 				$datefacture = dol_mktime(12, 0, 0, GETPOST('remonth', 'int'), GETPOST('reday', 'int'), GETPOST('reyear', 'int'));
 				if (empty($datefacture)) {