diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index 06da62fd016e5..0299df0dbed1e 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -765,7 +765,6 @@ function approve($user, $idwarehouse=0, $secondlevel=0)
 
                 if (! $error)
                 {
-                	$this->ref=$newref;
                 	if ($movetoapprovestatus) $this->statut = 2;
 					else $this->statut = 1;
            			if (empty($secondlevel))	// standard or first level approval