diff --git a/README.md b/README.md
index 6d835db..5029bb5 100644
--- a/README.md
+++ b/README.md
@@ -599,6 +599,7 @@ server {
 	    proxy_set_header X-Forwarded-Proto $scheme;
 	    proxy_set_header Host $host;
 	    proxy_set_header X-NginX-Proxy true;
+	    proxy_set_header X-Forwarded-Host $http_host;
 	    proxy_pass http://localhost:5000;
 	}
 }