diff --git a/htdocs/delivery/class/delivery.class.php b/htdocs/delivery/class/delivery.class.php
index 2c43cd715a3..9edc080701b 100644
--- a/htdocs/delivery/class/delivery.class.php
+++ b/htdocs/delivery/class/delivery.class.php
@@ -106,6 +106,8 @@ class Delivery extends CommonObject
 	 */
 	public $model_pdf;
 
+	public $commande_id;
+
 	public $lines = array();