diff --git a/site-cookbooks/kosmos_discourse/templates/nginx_conf.erb b/site-cookbooks/kosmos_discourse/templates/nginx_conf.erb
index 9db6621..db939fd 100644
--- a/site-cookbooks/kosmos_discourse/templates/nginx_conf.erb
+++ b/site-cookbooks/kosmos_discourse/templates/nginx_conf.erb
@@ -27,6 +27,7 @@ server {
     proxy_buffers 1024 8k;
 
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto https;
 
     proxy_pass http://_discourse;
     proxy_http_version 1.1;