diff --git a/code-server.subdomain.conf.sample b/code-server.subdomain.conf.sample
index 4c7abcb..4346353 100644
--- a/code-server.subdomain.conf.sample
+++ b/code-server.subdomain.conf.sample
@@ -41,6 +41,7 @@ server {
         set $upstream_port 8443;
         set $upstream_proto http;
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+        proxy_set_header Host $host;
 
     }
 }