diff --git a/setup.php b/setup.php
index 980937f42..64097e0cf 100644
--- a/setup.php
+++ b/setup.php
@@ -495,7 +495,7 @@ function plugin_formcreator_redirect() {
             // No formanswer found
             Html::displayNotFoundError();
          }
-         $ticket = Ticket::getById($itemTicket->fields['items_id']);
+         $ticket = Ticket::getById($itemTicket->fields['tickets_id']);
          if ($ticket === false) {
             Html::redirect($issue->getFormURLWithID($itemTicket->fields['items_id']) . $openItilFollowup);
          }