diff -urpN modules/filter/filter.module modules/filter/filter.module
--- modules/filter/filter.module	2008-09-21 13:01:24.843750000 +0300
+++ modules/filter/filter.module	2008-09-21 13:04:00.000000000 +0300
@@ -476,7 +476,7 @@ function filter_form($value = FILTER_FOR

   $extra = theme('filter_tips_more_info');

-  if (count($formats) > 1) {
+  if (count($formats)) {
     $form = array(
       '#type' => 'fieldset',
       '#title' => t('Input format'),