diff --git a/docs/rest_api/nginx b/docs/rest_api/nginx
index 9f9af494..186965d7 100644
--- a/docs/rest_api/nginx
+++ b/docs/rest_api/nginx
@@ -8,7 +8,7 @@ server {
 
     location / {
         proxy_pass http://[::1]:5001;
-        proxy_set_header Host $host:$port;
+        proxy_set_header Host $host:$server_port;
         proxy_set_header X-Forwarded-For $remote_addr;
     }
 }