diff --git a/setup/start/nginx/appconfig.ejs b/setup/start/nginx/appconfig.ejs
index c63167791..2094dee82 100644
--- a/setup/start/nginx/appconfig.ejs
+++ b/setup/start/nginx/appconfig.ejs
@@ -56,6 +56,7 @@ server {
     proxy_set_header   Host               $host;
     proxy_set_header   X-Forwarded-For    $remote_addr;
     proxy_set_header   X-Forwarded-Host   $host;
+    proxy_set_header   X-Forwarded-Port   $server_port;
     proxy_set_header   X-Forwarded-Proto  https;
     proxy_set_header   X-Forwarded-Ssl    on;