diff --git a/nginx-reverse-proxy/default.conf b/nginx-reverse-proxy/default.conf
index 66ac639..1453df7 100644
--- a/nginx-reverse-proxy/default.conf
+++ b/nginx-reverse-proxy/default.conf
@@ -99,13 +99,17 @@ server {
 
   location / {
     include /etc/nginx/includes/proxy.conf;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "Upgrade";
     proxy_pass http://homeassistant:8123;
   }
 
   location /api/websocket {
-    include /etc/nginx/includes/proxy.conf;
-    proxy_pass http://homeassistant:8123/api/websocket;
-  }
+    include /etx/nginx/includes/proxy.conf;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "Upgrade";
+    proxy_pass http://homeassistant:8123/api/websocket
+}
   access_log /var/log/nginx/ha-access.log;
   error_log /var/log/nginx/ha-error.log;
 }