diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index f083318948e..0b62fc91526 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -1379,6 +1379,7 @@ class CommandeFournisseur extends CommonOrder
      */
     function deleteline($idline, $notrigger=0)
     {
+        global $user,$langs,$conf;
         if ($this->statut == 0)
         {
         	$this->db->begin();