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 1.3
diff -u -F '^f' -r1.3 hs_taxonomy_views_handler_filter_term_node_tid.inc
--- modules/hs_taxonomy_views_handler_filter_term_node_tid.inc	21 Sep 2009 11:40:02 -0000	1.3
+++ modules/hs_taxonomy_views_handler_filter_term_node_tid.inc	18 Nov 2009 23:04:18 -0000
@@ -213,7 +213,11 @@
     // was validated.
     // This method checks if $this->validated_exposed_input is set, and if so,
     // results are filtered by those values.
-    return parent::accept_exposed_input($input);
+    $rc = parent::accept_exposed_input($input);
+    if ($this->select_type_is_hierarchical_select() && !is_array($this->value)) {
+      $this->value = array($this->value);
+    }
+    return $rc;
   }
 
   function admin_summary() {