diff --git a/application/helpers/info_helper.php b/application/helpers/info_helper.php
index 8781f6e8..f3ed7513 100644
--- a/application/helpers/info_helper.php
+++ b/application/helpers/info_helper.php
@@ -77,7 +77,7 @@ function is_series_site()
 {
     $CI = &get_instance();
     $sitecode = $CI->config->item('site_code');
-    if (in_array($sitecode, array('jp', 'vc', 'vac', 'ru', 'it', 'gh_jp', 'gh_vc', 'gh_vac', 'gh_ru', 'gh_it', 'gh_gm'))) {
+    if (in_array($sitecode, array('jp', 'vc', 'vac', 'ru', 'it', 'gh_jp', 'gh_vc', 'gh_vac', 'gh_ru', 'gh_it', 'gh_gm', 'gm'))) {
         return true;
     } else {
         return false;