diff --git a/conf/nginx.conf b/conf/nginx.conf
index 7f1ce15..2670423 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,7 +1,7 @@
 location @app_upstream {
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header Host $http_host;
+        proxy_set_header Host $host;
 
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;