From 2e04aa4e0352a86901c28f969ce297d5ce6daacf Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Tue, 5 Jan 2021 11:29:40 +0100
Subject: [PATCH] Fix warning

---
 scripts/invoices/email_unpaid_invoices_to_customers.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/invoices/email_unpaid_invoices_to_customers.php b/scripts/invoices/email_unpaid_invoices_to_customers.php
index a569a34d0fa..5d4d3ff3e64 100755
--- a/scripts/invoices/email_unpaid_invoices_to_customers.php
+++ b/scripts/invoices/email_unpaid_invoices_to_customers.php
@@ -153,7 +153,7 @@ if ($resql) {
 				if ($targettype == 'contacts') {
 					$oldcid = $obj->cid;
 				}
-				$oldlang = $obj->lang;
+				$oldlang = $obj->default_lang;
 				$oldtarget = (empty($obj->cfirstname) && empty($obj->clastname)) ? $obj->name : ($obj->clastname." ".$obj->cfirstname);
 				$message = '';
 				$total = 0;