diff --git a/relation_ui.module b/relation_ui.module
index 548ee0d..7bec68d 100644
--- a/relation_ui.module
+++ b/relation_ui.module
@@ -106,6 +106,7 @@
   // Relations listing.
   $items['admin/content/relation'] = array(
     'title' => 'Relations',
+    'file' => 'relation_ui.module',
     'page callback' => 'relation_ui_admin_content',
     'access arguments' => array('administer relations'),
     'description' => 'View, edit and delete all the available relations on your site.',