diff --git a/include/ProductPage.php b/include/ProductPage.php
index 57cefd8..bef9807 100644
--- a/include/ProductPage.php
+++ b/include/ProductPage.php
@@ -69,6 +69,7 @@ class ProductPage extends Page {
                         'label'       => '',
                         'label_hidden' => 'hidden',
                         'checkout_hidden'      => 'hidden',
+                        'hidden'      => '',
                         'service'     => 'Starta service',
                         'history'     => $history,
                         'attachments' => $attachments,