diff --git a/system/extensions/controller.php b/system/extensions/controller.php
new file mode 100644
index 0000000..18e0eeb
--- /dev/null
+++ b/system/extensions/controller.php
@@ -0,0 +1,3 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+
+abstract class Controller extends Controller_Core {}
diff --git a/system/extensions/i18n.php b/system/extensions/i18n.php
new file mode 100644
index 0000000..39dc150
--- /dev/null
+++ b/system/extensions/i18n.php
@@ -0,0 +1,3 @@
+<?php defined('SYSPATH') or die('No direct script access.');
+
+class i18n extends i18n_Core {}