diff --git a/htdocs/langs/en_US/languages.lang b/htdocs/langs/en_US/languages.lang
index 349cb42fbab..6de4824ecea 100644
--- a/htdocs/langs/en_US/languages.lang
+++ b/htdocs/langs/en_US/languages.lang
@@ -13,6 +13,7 @@ Language_az_AZ=Azerbaijani
 Language_bn_BD=Bengali
 Language_bn_IN=Bengali (India)
 Language_bg_BG=Bulgarian
+Language_bo_CN=Tibetan
 Language_bs_BA=Bosnian
 Language_ca_ES=Catalan
 Language_cs_CZ=Czech