diff --git a/htdocs/core/triggers/interface_50_modTicket_TicketEmail.class.php b/htdocs/core/triggers/interface_50_modTicket_TicketEmail.class.php
index ebd4ef77069..1ecd3729925 100644
--- a/htdocs/core/triggers/interface_50_modTicket_TicketEmail.class.php
+++ b/htdocs/core/triggers/interface_50_modTicket_TicketEmail.class.php
@@ -427,7 +427,7 @@ class InterfaceTicketEmail extends DolibarrTriggers
 		}
 		$message_customer .= '<p>'.$langs->trans('Message').' : <br><br>'.$message.'</p><br>';
 
-		if (getDolGlobalString('TICKET_ENABLE_PUBLIC_INTERFACE')) {
+		if (getDolGlobalInt('TICKET_ENABLE_PUBLIC_INTERFACE')) {
 			$url_public_ticket = ($conf->global->TICKET_URL_PUBLIC_INTERFACE ? $conf->global->TICKET_URL_PUBLIC_INTERFACE.'/view.php' : dol_buildpath('/public/ticket/view.php', 2)).'?track_id='.$object->track_id;
 			$message_customer .= '<p>'.$langs->trans($see_ticket).' : <a href="'.$url_public_ticket.'">'.$url_public_ticket.'</a></p>';
 			$message_customer .= '<p>'.$langs->trans('TicketEmailPleaseDoNotReplyToThisEmail').'</p>';