diff --git a/default.conf b/default.conf
index e328b81..afc1c06 100644
--- a/default.conf
+++ b/default.conf
@@ -16,6 +16,7 @@ server {
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Host $http_host;
         proxy_set_header X-Forwarded-Proto $scheme;
         # add support for websockets
         proxy_set_header Upgrade $http_upgrade;