diff --git a/htdocs/cashdesk/validation_ticket.php b/htdocs/cashdesk/validation_ticket.php
index 19216dc8985..9beb68dac43 100644
--- a/htdocs/cashdesk/validation_ticket.php
+++ b/htdocs/cashdesk/validation_ticket.php
@@ -16,9 +16,9 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
-require ('../master.inc.php');
-require ('include/environnement.php');
-require ('class/Facturation.class.php');
+require('../main.inc.php');
+require_once(DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php');
+require_once(DOL_DOCUMENT_ROOT.'/cashdesk/class/Facturation.class.php');
 
 $obj_facturation = unserialize ($_SESSION['serObjFacturation']);
 unset ($_SESSION['serObjFacturation']);