diff --git a/conf/nginx.conf b/conf/nginx.conf
index 0d65772..13cd907 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -27,7 +27,7 @@ location __PATH__/embed/ {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
-  proxy_pass        http://127.0.0.1:3000/embed/;
+  proxy_pass        http://127.0.0.1:__PORT__/embed/;
   proxy_redirect    off;
   proxy_set_header  Host $host;
   proxy_set_header  X-Real-IP $remote_addr;