Index: media_mover_api_menus.inc
===================================================================
--- media_mover_api_menus.inc	(revision 861)
+++ media_mover_api_menus.inc	(working copy)
@@ -58,7 +58,7 @@
   $items['admin/build/media_mover/files'] = array(
     'title' => 'All Files',
     'page callback' => 'media_mover_api_files_list',
-    'page arguments' => array(arg(3)),
+    'page arguments' => array(arg(4)),
     'access arguments' => array('administer media_mover'),
     'type' => MENU_LOCAL_TASK,
   );