diff --git a/site-cookbooks/kosmos-mastodon/templates/default/nginx_conf_mastodon.erb b/site-cookbooks/kosmos-mastodon/templates/default/nginx_conf_mastodon.erb
index e1c6ebb..7c7c26d 100644
--- a/site-cookbooks/kosmos-mastodon/templates/default/nginx_conf_mastodon.erb
+++ b/site-cookbooks/kosmos-mastodon/templates/default/nginx_conf_mastodon.erb
@@ -22,6 +22,7 @@ server {
   ssl_certificate_key <%= @ssl_key %>;
 
   add_header Strict-Transport-Security "max-age=31536000";
+  add_header Onion-Location https://mastodon.<%= @onion_address %>$request_uri;
 }
 <% end %>