diff --git a/web/zm_lang_en_us.php b/web/zm_lang_en_us.php
index f9c3b8405..1d1461402 100644
--- a/web/zm_lang_en_us.php
+++ b/web/zm_lang_en_us.php
@@ -44,7 +44,7 @@
 //   maintenance point of view to include the original language file and override the old definitions rather
 //   than copy all the language tokens across. To do this change the line below to whatever your base language
 //   is and uncomment it.
-require_once( 'zm_lang_en_us.php' );
+require_once( 'zm_lang_en_gb.php' );
 
 // You may need to change the character set here, if your web server does not already
 // do this by default, uncomment this if required.