diff --git a/lib/confs/nginx/ipynbsrv.conf b/lib/confs/nginx/ipynbsrv.conf
index 3dc84d6..c2bca92 100644
--- a/lib/confs/nginx/ipynbsrv.conf
+++ b/lib/confs/nginx/ipynbsrv.conf
@@ -80,11 +80,13 @@ server {
         proxy_send_timeout  86400s;
 
         proxy_set_header  Host                  $host;
+        proxy_set_header  X-Forwarded-Host      $host;
         proxy_set_header  X-Forwarded-For       $proxy_add_x_forwarded_for;
         proxy_set_header  X-Forwarded-Protocol  $scheme;
+        proxy_set_header  X-Forwarded-Server    $host;
         proxy_set_header  X-Real-IP             $remote_addr;
         proxy_set_header  X-Scheme              $scheme;
-        proxy_set_header  X-Script-Name         /$1/;
+        proxy_set_header  X-Script-Name         /ct/$1;
 
         proxy_pass  http://$decoded_backend;
     }