diff --git a/conf/nginx.conf b/conf/nginx.conf
index 6cbf0cf..22e9f0f 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -6,7 +6,7 @@ location / {
 
   proxy_set_header Accept-Encoding "";
   proxy_pass http://localhost:__PORT__;
-  proxy_set_header Host $http_host;
+  proxy_set_header Host $host;
   proxy_set_header X-Real-IP $remote_addr;
   proxy_http_version 1.1;
   proxy_set_header Upgrade $http_upgrade;