diff --git a/backend/templates/proxy_host.conf b/backend/templates/proxy_host.conf
index b5a10ed2..81a542ea 100644
--- a/backend/templates/proxy_host.conf
+++ b/backend/templates/proxy_host.conf
@@ -36,7 +36,6 @@ proxy_http_version 1.1;
     {% if allow_websocket_upgrade == 1 or allow_websocket_upgrade == true %}
     proxy_set_header Upgrade $http_upgrade;
     proxy_set_header Connection $http_connection;
-    proxy_set_header Host $http_host;
     proxy_http_version 1.1;
     {% endif %}