Index: modules/hs_taxonomy_views_handler_filter_term_node_tid.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/hierarchical_select/modules/hs_taxonomy_views_handler_filter_term_node_tid.inc,v
retrieving revision 1.6
diff -u -F '^f' -r1.6 hs_taxonomy_views_handler_filter_term_node_tid.inc
--- modules/hs_taxonomy_views_handler_filter_term_node_tid.inc	26 Aug 2010 11:16:19 -0000	1.6
+++ modules/hs_taxonomy_views_handler_filter_term_node_tid.inc	6 Feb 2011 13:29:21 -0000
@@ -133,6 +133,11 @@
          'path' => "hs_taxonomy_views_json/$view_name/$display_id",
         );
         hierarchical_select_common_config_apply($form['value'], $config_id, $defaults_override);
+
+        // See http://drupal.org/node/809844#comment-3972774.
+        if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier]['value'])) {
+          $form_state['input'][$identifier]['value'] = $this->value['value'];
+        }
       }
     }
   }