diff --git a/sites/all/modules/taxonomy_access_control/tac.admin.php b/sites/all/modules/taxonomy_access_control/tac.admin.php
index d7340d5e74e708f585a58e9761e1f199369c86b8..3d55651d89a1e41a8df22a6872482998c4cb833a 100644
--- a/sites/all/modules/taxonomy_access_control/tac.admin.php
+++ b/sites/all/modules/taxonomy_access_control/tac.admin.php
@@ -33,6 +33,9 @@ function tac_admin($form, $form_state, $rid = NULL)
         }
                 
         foreach (user_roles() as $rid => $role) {
+            if ($rid == DRUPAL_ANONYMOUS_RID) {
+                continue;
+            }
             $subform = array(
             	'#theme' => 'tac_term_list',
             	'#title' => 'Permissions for role "' . $role . '"'