diff --git a/site_map.module b/site_map.module
index e63fbb8..3087d16 100644
--- a/site_map.module
+++ b/site_map.module
@@ -99,6 +99,13 @@ function site_map_variable_info($options) {
     'default' => 'Site map',
   );
 
+  $variable['site_map_show_menus'] = array(
+    'type' => 'string',
+    'title' => t('Menus to include in the site map', array(), $options),
+    'description' => t('Menus to include that will be used on the <a href="@link">site map page</a>.', array('@link' => url('sitemap'))),
+    'default' => array(),
+  );
+
   $variable['site_map_rss_front'] = array(
     'type' => 'string',
     'title' => t('RSS feed for front page', array(), $options),