diff --git a/fillpdf.install b/fillpdf.install
index 37d65662d0e80ac06f92e826fb17e257cce6d7ff..0d61ca59fa724fb30d3b4d149b7fc2140f612ce4 100644
--- a/fillpdf.install
+++ b/fillpdf.install
@@ -29,7 +29,7 @@ function fillpdf_update_8101() {
     ->setDescription(t('This setting is used as the storage/download method for generated PDFs. The use of public files is more efficient, but does not provide any access control. Changing this setting will require you to migrate associated files and data yourself and is not recommended after you have uploaded a template.'))
     ->setDisplayOptions('form', [
       'type' => 'radios',
-      'options' => FillPdfAdminFormHelper::schemeOptions(),
+      'options' => \Drupal::service('fillpdf.admin_form_helper')->schemeOptions(),
     ]);
   $edum->installFieldStorageDefinition('scheme', 'fillpdf_form', 'fillpdf_form', $scheme_field);
 }