diff --git a/htdocs/public/ticket/ajax/ajax.php b/htdocs/public/ticket/ajax/ajax.php
index a75c796539c..0ddc6529996 100644
--- a/htdocs/public/ticket/ajax/ajax.php
+++ b/htdocs/public/ticket/ajax/ajax.php
@@ -57,6 +57,14 @@ $action = GETPOST('action', 'aZ09');
 $id = GETPOST('id', 'int');
 $email = GETPOST('email', 'alphanohtml');
 
+if (!isModEnabled('ticket')) {
+	httponly_accessforbidden('Module Ticket not enabled');
+}
+
+if (empty($conf->global->TICKET_CREATE_THIRD_PARTY_WITH_CONTACT_IF_NOT_EXIST)) {
+	httponly_accessforbidden('Option TICKET_CREATE_THIRD_PARTY_WITH_CONTACT_IF_NOT_EXIST of module ticket is not enabled');
+}
+
 
 /*
  * View