diff --git a/htdocs/commande/orderstoinvoice.php b/htdocs/commande/orderstoinvoice.php
index d7c5682e0a9..009326f1f41 100644
--- a/htdocs/commande/orderstoinvoice.php
+++ b/htdocs/commande/orderstoinvoice.php
@@ -5,7 +5,7 @@
  * Copyright (C) 2005-2012 Regis Houssin          	<regis.houssin@capnetworks.com>
  * Copyright (C) 2012	   Andreu Bisquerra Gaya  	<jove@bisquerra.com>
  * Copyright (C) 2012	   David Rodriguez Martinez <davidrm146@gmail.com>
- * Copyright (C) 2012	   Juanjo Menent			<jmenent@2byte.es>
+ * Copyright (C) 2012-2017 Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2015	   Ferran Marcet			<fmarcet@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -122,7 +122,7 @@ if (($action == 'create' || $action == 'add') && !$error)
 	}
 	if (isset($_POST['orders_to_invoice']))
 	{
-		$orders_id = GETPOST('orders_to_invoice','',1);
+		$orders_id = GETPOST('orders_to_invoice','',2);
 		$nn        = count($orders_id);
 		$ii        = 0;
 
diff --git a/htdocs/fourn/commande/orderstoinvoice.php b/htdocs/fourn/commande/orderstoinvoice.php
index 1f87cdf5929..f804a1d9ab7 100644
--- a/htdocs/fourn/commande/orderstoinvoice.php
+++ b/htdocs/fourn/commande/orderstoinvoice.php
@@ -5,7 +5,7 @@
  * Copyright (C) 2005-2012 Regis Houssin          	<regis.houssin@capnetworks.com>
  * Copyright (C) 2012	   Andreu Bisquerra Gaya  	<jove@bisquerra.com>
  * Copyright (C) 2012	   David Rodriguez Martinez <davidrm146@gmail.com>
- * Copyright (C) 2012	   Juanjo Menent			<jmenent@2byte.es>
+ * Copyright (C) 2012-2017 Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2014	   Florian Henry			<florian.henry@open-concept.pro>
  * Copyright (C) 2015      Marcos García            <marcosgdf@gmail.com>
  *
@@ -116,7 +116,7 @@ if (($action == 'create' || $action == 'add') && ! $error) {
 		$_GET['originid'] = $orders_id[0];
 	}
 	if (isset($_POST['orders_to_invoice'])) {
-		$orders_id = GETPOST('orders_to_invoice','',1);
+		$orders_id = GETPOST('orders_to_invoice','',2);
 		$nn = count($orders_id);
 		$ii = 0;