diff --git a/webserver/Nginx-VirtualHost.example.conf b/webserver/Nginx-VirtualHost.example.conf
index 13604b6..ab4fbbf 100644
--- a/webserver/Nginx-VirtualHost.example.conf
+++ b/webserver/Nginx-VirtualHost.example.conf
@@ -1,3 +1,8 @@
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    ''      "";
+}
+
 server {
     listen 80;
     server_name vaultwarden.example.com;