diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index dcd19b080b5..d1483c52f70 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -1386,6 +1386,7 @@ class CommandeFournisseur extends CommonOrder
      */
     function deleteline($idline, $notrigger=0)
     {
+        global $user,$langs,$conf;
         if ($this->statut == 0)
         {
         	$this->db->begin();