diff --git a/calibre-web.subdomain.conf.sample b/calibre-web.subdomain.conf.sample
index ca6bbde7..b75eba34 100644
--- a/calibre-web.subdomain.conf.sample
+++ b/calibre-web.subdomain.conf.sample
@@ -64,13 +64,15 @@ server {
 
     # Feed for Kobo
     location /kobo/ {
-        include /config/nginx/proxy.conf;
         include /config/nginx/resolver.conf;
         set $upstream_app calibre-web;
         set $upstream_port 8083;
         set $upstream_proto http;
         proxy_pass $upstream_proto://$upstream_app:$upstream_port;
+        proxy_set_header X-Forwarded-Host $http_host;
         proxy_set_header X-Scheme $scheme;
-        proxy_buffer_size 32k;
+        proxy_buffer_size 128k;
+        proxy_buffers 4 256k;
+        proxy_busy_buffers_size 256k;
     }
 }
\ No newline at end of file