diff --git a/htdocs/cashdesk/class/Auth.class.php b/htdocs/cashdesk/class/Auth.class.php
index 0de4254cf29..5e431514d1c 100644
--- a/htdocs/cashdesk/class/Auth.class.php
+++ b/htdocs/cashdesk/class/Auth.class.php
@@ -22,7 +22,7 @@
  */
 class Auth
 {
-	private $db;
+	protected $db;
 
 	private $login;
 	private $passwd;