diff --git a/src/Webform/Webform.php b/src/Webform/Webform.php
index 00b39b8..f46c5a5 100644
--- a/src/Webform/Webform.php
+++ b/src/Webform/Webform.php
@@ -92,6 +92,10 @@ class Webform {
       $options = array();
       if ($submission) {
         $options['query']['sid'] = $submission->sid;
+        global $user;
+        if ((int) $user->uid === 0) {
+          $options['query']['token'] = webform_get_submission_access_token($submission);
+        }
       }
       return array('node/' . $node->nid . '/done', $options);
     }