diff --git a/freshrss.subdomain.conf.sample b/freshrss.subdomain.conf.sample
index 2616898..9ca07fc 100644
--- a/freshrss.subdomain.conf.sample
+++ b/freshrss.subdomain.conf.sample
@@ -29,6 +29,7 @@ server {
         
         proxy_redirect off;
         proxy_buffering off;
+        proxy_set_header Host $host;
         proxy_set_header X-Forwarded-Port $server_port;
         proxy_cookie_path / "/; HTTPOnly; Secure";
         proxy_set_header Authorization $http_authorization;