diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 9679f430807..6054270d002 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -1422,7 +1422,7 @@ else if (($action == 'addline' || $action == 'addline_predef') && $user->rights-
 	}
 }
 
-elseif ($action == 'updateligne' && $user->rights->facture->creer && $_POST['save'] == $langs->trans('Save'))
+elseif ($action == 'updateligne' && $user->rights->facture->creer && ! GETPOST('cancel'))
 {
 	if (! $object->fetch($id) > 0) dol_print_error($db);
 	$object->fetch_thirdparty();
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 1aab076bf06..8c87e754bc4 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -369,7 +369,7 @@ else if ($action == 'addline' && $user->rights->fournisseur->commande->creer)
 /*
  *	Mise a jour	d'une ligne	dans la	commande
  */
-else if ($action == 'update_line' && $user->rights->fournisseur->commande->creer &&	$_POST['save'] == $langs->trans('Save'))
+else if ($action == 'update_line' && $user->rights->fournisseur->commande->creer &&	! GETPOST('cancel'))
 {
     if ($_POST["elrowid"])
     {