diff --git a/htdocs/core/modules/modTicket.class.php b/htdocs/core/modules/modTicket.class.php
index 68cb3f45551..0ae6b00b1c3 100644
--- a/htdocs/core/modules/modTicket.class.php
+++ b/htdocs/core/modules/modTicket.class.php
@@ -107,7 +107,9 @@ class modTicket extends DolibarrModules
 			1 => array('TICKET_ENABLE_PUBLIC_INTERFACE', 'chaine', '0', 'Enable ticket public interface', 0),
 			2 => array('TICKET_ADDON', 'chaine', 'mod_ticket_simple', 'Ticket ref module', 0),
 			3 => array('TICKET_ADDON_PDF_ODT_PATH', 'chaine', 'DOL_DATA_ROOT/doctemplates/tickets', 'Ticket templates ODT/ODS directory for templates', 0),
-			4 => array('TICKET_AUTO_READ_WHEN_CREATED_FROM_BACKEND', 'chaine', 0, 'Automatically mark ticket as read when created from backend', 0)
+			4 => array('TICKET_AUTO_READ_WHEN_CREATED_FROM_BACKEND', 'chaine', 0, 'Automatically mark ticket as read when created from backend', 0),
+			5 => array('TICKET_DELAY_BEFORE_FIRST_RESPONSE', 'chaine', '0', 'Maximum wanted elapsed time before a first answer to a ticket (in hours). Display a warning in tickets list if not respected.', 0),
+			6 => array('TICKET_DELAY_SINCE_LAST_RESPONSE', 'chaine', '0', 'Maximum wanted elapsed time between two answers on the same ticket (in hours). Display a warning in tickets list if not respected.', 0)
 		);