diff --git a/conf/nginx.conf b/conf/nginx.conf
index e8aea12..fdf77fe 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,7 +1,7 @@
 location / {
   proxy_set_header        X-Real-IP       $remote_addr;
   proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
-  proxy_set_header        Host            $http_host;
+  proxy_set_header        Host            $host;
   proxy_set_header        X-NginX-Proxy  true;
 
   proxy_pass             http://localhost:9220;