Index: i18n_menu.module
===================================================================
--- i18n_menu.module	(revision 2659)
+++ i18n_menu.module	(revision 2661)
@@ -784,7 +784,7 @@ function i18n_menu_init() {
    // Retrieve a list of menu names, ordered by preference.
   $menu_names = menu_get_active_menu_names();
   // Use an illegal menu name as the key for the preferred menu link.
-  $selected_menu = '__preferred__';
+  $selected_menu = MENU_PREFERRED_LINK;
   // Put the selected menu at the front of the list.
   array_unshift($menu_names, $selected_menu);
 
@@ -822,9 +822,9 @@ function i18n_menu_init() {
           _menu_translate($candidate_item, $map);
           if ($candidate_item['access']) {
             $preferred_links[$path][$menu_name] = $candidate_item;
-            if (empty($preferred_links[$path]['__preferred__'])) {
+            if (empty($preferred_links[$path][MENU_PREFERRED_LINK])) {
               // Store the most specific link.
-              $preferred_links[$path]['__preferred__'] = $candidate_item;
+              $preferred_links[$path][MENU_PREFERRED_LINK] = $candidate_item;
             }
           }
         }