diff --git a/htdocs/commande/commande.class.php b/htdocs/commande/commande.class.php
index e8241e251b8..e1a485d1027 100644
--- a/htdocs/commande/commande.class.php
+++ b/htdocs/commande/commande.class.php
@@ -169,7 +169,7 @@ class Commande
 					}
 					else
 					{
-						$num = $this->ref
+						$num = $this->ref;
 					}
 
 					$sql = 'UPDATE '.MAIN_DB_PREFIX."commande SET ref='$num', fk_statut = 1, date_valid=now(), fk_user_valid=$user->id";