diff --git a/Themes/default/languages/en_US/index.php b/Themes/default/languages/en_US/index.php
index 2cf5d33d8a7..976d2924481 100644
--- a/Themes/default/languages/en_US/index.php
+++ b/Themes/default/languages/en_US/index.php
@@ -1,8 +1,8 @@
 <?php
 
 // Try to handle it with the upper level index.php. (it should know what to do.)
-if (file_exists(dirname(dirname(__FILE__)) . '/index.php'))
-	include(dirname(dirname(__FILE__)) . '/index.php');
+if (file_exists(dirname(__DIR__) . '/index.php'))
+	include (dirname(__DIR__) . '/index.php');
 else
 	exit;