diff --git a/htdocs/core/boxes/box_shipments.php b/htdocs/core/boxes/box_shipments.php
index 3b07b5bbd68..26f45bc08db 100644
--- a/htdocs/core/boxes/box_shipments.php
+++ b/htdocs/core/boxes/box_shipments.php
@@ -77,6 +77,7 @@ class box_shipments extends ModeleBoxes
         $this->max = $max;
 
         include_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
+        include_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
         include_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 
         $shipmentstatic = new Expedition($this->db);