diff --git a/install/docker/config/nginx/onlyoffice-proxy.conf b/install/docker/config/nginx/onlyoffice-proxy.conf
index d36a4be90f..bbb419b1c4 100644
--- a/install/docker/config/nginx/onlyoffice-proxy.conf
+++ b/install/docker/config/nginx/onlyoffice-proxy.conf
@@ -1,9 +1,8 @@
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Connection $proxy_connection;
 proxy_set_header Host $the_host;
-proxy_set_header X-Forwarded-Host $the_host;
+proxy_set_header X-Forwarded-Host $the_host:$the_port;
 proxy_set_header X-Forwarded-Proto $the_scheme;
-proxy_set_header X-Forwarded-Port $the_port;
 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 proxy_hide_header 'Server';
 proxy_hide_header 'X-Powered-By';