diff --git a/source/_docs/ecosystem/nginx_subdomain.markdown b/source/_docs/ecosystem/nginx_subdomain.markdown
index c749b49d5ee..2d4ba151994 100644
--- a/source/_docs/ecosystem/nginx_subdomain.markdown
+++ b/source/_docs/ecosystem/nginx_subdomain.markdown
@@ -85,6 +85,10 @@ server {
     location / {
         proxy_pass http://localhost:8124;
         proxy_set_header Host $host;
+        
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
     }
 
     location /api/websocket {