diff --git a/views_catalog_plugin_display_catalog.inc b/views_catalog_plugin_display_catalog.inc
index 4d89918..8c50614 100644
--- a/views_catalog_plugin_display_catalog.inc
+++ b/views_catalog_plugin_display_catalog.inc
@@ -122,6 +122,7 @@ class views_catalog_plugin_display_catalog extends views_plugin_display_page {
 
     $options['child_view'] = array('default' => '');
     $options['child_view_first_page'] = array('default' => FALSE);
+    $options['inheritable_argument'] = array('default' => '');
     
     return $options;
   }