diff --git a/conf/nginx.conf b/conf/nginx.conf
index 2bc566d..f96a856 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -13,7 +13,7 @@ client_max_body_size 50M;
 proxy_http_version 1.1;
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Connection "upgrade";
-proxy_set_header Host $http_host;
+proxy_set_header Host $host;
 proxy_set_header X-Real-IP $remote_addr;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_set_header X-Forwarded-Proto $scheme;