diff --git a/htdocs/admin/ticket.php b/htdocs/admin/ticket.php
index c36f6ae1d1b..68f256e2009 100644
--- a/htdocs/admin/ticket.php
+++ b/htdocs/admin/ticket.php
@@ -203,6 +203,12 @@ if ($action == 'setvarother') {
 	if (!($res > 0)) {
 		$error++;
 	}
+
+	$param_auto_notify_close = GETPOST('TICKET_NOTIFY_AT_CLOSING', 'alpha');
+	$res = dolibarr_set_const($db, 'TICKET_NOTIFY_AT_CLOSING', $param_auto_notify_close, 'chaine', 0, '', $conf->entity);
+	if (!($res > 0)) {
+		$error++;
+	}
 }
 
 
@@ -530,6 +536,21 @@ print $form->textwithpicto('', $langs->trans("TicketsAutoAssignTicketHelp"), 1,
 print '</td>';
 print '</tr>';
 
+// Auto notify contacts when closing the ticket
+print '<tr class="oddeven"><td>'.$langs->trans("TicketsAutoNotifyClose").'</td>';
+print '<td class="left">';
+if ($conf->use_javascript_ajax) {
+	print ajax_constantonoff('TICKET_NOTIFY_AT_CLOSING');
+} else {
+	$arrval = array('0' => $langs->trans("No"), '1' => $langs->trans("Yes"));
+	print $form->selectarray("TICKET_NOTIFY_AT_CLOSING", $arrval, $conf->global->TICKET_NOTIFY_AT_CLOSING);
+}
+print '</td>';
+print '<td class="center">';
+print $form->textwithpicto('', $langs->trans("TicketsAutoNotifyCloseHelp"), 1, 'help');
+print '</td>';
+print '</tr>';
+
 if (!$conf->use_javascript_ajax) {
 	print '</form>';
 }
diff --git a/htdocs/core/modules/modTicket.class.php b/htdocs/core/modules/modTicket.class.php
index 0ae6b00b1c3..86841ce5932 100644
--- a/htdocs/core/modules/modTicket.class.php
+++ b/htdocs/core/modules/modTicket.class.php
@@ -109,7 +109,8 @@ class modTicket extends DolibarrModules
 			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),
 			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)
+			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),
+			7 => array('TICKET_NOTIFY_AT_CLOSING', 'chaine', '0', 'Default notify contacts when closing a module', 0),
 		);