diff --git a/app/controllers/TicketController.php b/app/controllers/TicketController.php
index ae8cbb7..fa48f03 100644
--- a/app/controllers/TicketController.php
+++ b/app/controllers/TicketController.php
@@ -71,7 +71,7 @@ class TicketController implements CRUD {
                 [$title, $description, $priority, $status, $created_by]
         );
 
-        $ticket_id = $db->lastInserId();
+        $ticket_id = $db->lastInsertId();
 
         // custom fields
         $meta_keys = $f3->get('POST.meta_key'); // eg ['department', 'category']