diff --git a/nginx/pong.conf b/nginx/pong.conf
index 9c7e630..3a42b85 100644
--- a/nginx/pong.conf
+++ b/nginx/pong.conf
@@ -26,6 +26,12 @@ server {
     }
 
     location @node {
+        # WebSocket support
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+
+        # Normal parameters
         proxy_pass_request_headers on;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;