diff --git a/conf/nginx.conf b/conf/nginx.conf
index 695b7a0..fb44523 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -31,7 +31,7 @@ location ~ ^/(libs|css|static|images|fonts|lang|sounds|connection_optimization|.
 location = /http-bind {
     proxy_pass http://127.0.0.1:5280/http-bind?prefix=$prefix&$args;
     proxy_set_header X-Forwarded-For $remote_addr;
-    proxy_set_header Host $http_host;
+    proxy_set_header Host $host;
 }
 
 # xmpp websockets
@@ -40,7 +40,7 @@ location = /xmpp-websocket {
     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;
     tcp_nodelay on;
 }