diff --git a/appendix/waifu2x.nginx.conf b/appendix/waifu2x.nginx.conf
index c27aefd..35f0f07 100644
--- a/appendix/waifu2x.nginx.conf
+++ b/appendix/waifu2x.nginx.conf
@@ -25,6 +25,7 @@ map $http_accept_language $lang {
   ~no no;
   ~uk uk;
   ~pl pl;
+  ~bg bg;
   ~en en;
 }