diff --git a/debian_install.sh b/debian_install.sh
index 305424f8..4af337e4 100755
--- a/debian_install.sh
+++ b/debian_install.sh
@@ -414,6 +414,7 @@ server {
     listen ${NGINX_HTTP_PORT};
     location / {
         include proxy_params;
+        proxy_set_header X-Forwarded-Port \$server_port;
         proxy_pass http://unix:${GUNICORN_SOCKET};
     }
     location /static/ {