diff --git a/discovery-provider/Caddyfile b/discovery-provider/Caddyfile
index 94719c69b..3c27c2dd3 100644
--- a/discovery-provider/Caddyfile
+++ b/discovery-provider/Caddyfile
@@ -11,4 +11,5 @@ encode zstd gzip
 reverse_proxy @comms comms:8925
 
 # defaults to openresty:5000
+header X-Forwarded-Proto {scheme}
 reverse_proxy {$ROOT_HOST:"openresty:5000"}