diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 16c889c6e61..cb0e5ccf55e 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -978,6 +978,7 @@ class Commande extends CommonOrder
         }
 
         $this->id=0;
+		$this->ref = '';
         $this->statut=self::STATUS_DRAFT;
 
         // Clear fields
@@ -986,14 +987,7 @@ class Commande extends CommonOrder
         $this->date_creation      = '';
         $this->date_validation    = '';
         $this->ref_client         = '';
-
-        // Set ref
-        require_once DOL_DOCUMENT_ROOT ."/core/modules/commande/".$conf->global->COMMANDE_ADDON.'.php';
-        $obj = $conf->global->COMMANDE_ADDON;
-        $modCommande = new $obj;
-        $this->ref = $modCommande->getNextValue($objsoc,$this);
-
-
+		
         // Create clone
         $result=$this->create($user);
         if ($result < 0) $error++;