diff --git a/crates/ptth_server/src/lib.rs b/crates/ptth_server/src/lib.rs
index 5c6450b..5c78b0f 100644
--- a/crates/ptth_server/src/lib.rs
+++ b/crates/ptth_server/src/lib.rs
@@ -89,7 +89,8 @@ async fn handle_one_req (
 {
 	let mut resp_req = state.client
 	.post (&format! ("{}/http_response/{}", state.config.relay_url, req_id))
-	.header (ptth_core::PTTH_MAGIC_HEADER, base64::encode (rmp_serde::to_vec (&response.parts).map_err (ServerError::MessagePackEncodeResponse)?));
+	.header (ptth_core::PTTH_MAGIC_HEADER, base64::encode (rmp_serde::to_vec (&response.parts).map_err (ServerError::MessagePackEncodeResponse)?))
+	.header ("X-PTTH-SERVER-NAME", &state.config.name);
 	
 	if let Some (length) = response.content_length {
 		resp_req = resp_req.header ("Content-Length", length.to_string ());