diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index 9b6a07a5435..bdf79081fe2 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -11,7 +11,7 @@
  * Copyright (C) 2015       Claudio Aschieri        <c.aschieri@19.coop>
  * Copyright (C) 2016		Ferran Marcet			<fmarcet@2byte.es>
  * Copyright (C) 2018       Nicolas ZABOURI			<info@inovea-conseil.com>
- * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
+ * Copyright (C) 2018-2020  Frédéric France         <frederic.france@netlogic.fr>
  * Copyright (C) 2020       Lenin Rivas         	<lenin@leninrivas.com>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -82,6 +82,13 @@ class Expedition extends CommonObject
 
 	public $socid;
 
+	/**
+	 * @var string Customer ref
+	 * @deprecated
+	 * @see $ref_customer
+	 */
+	public $ref_client;
+
 	/**
 	 * @var string Customer ref
 	 */