diff --git a/crates/ptth_relay/src/server_endpoint.rs b/crates/ptth_relay/src/server_endpoint.rs
index 0901590..359452f 100644
--- a/crates/ptth_relay/src/server_endpoint.rs
+++ b/crates/ptth_relay/src/server_endpoint.rs
@@ -126,7 +126,10 @@ pub async fn handle_listen (
 				Ok (ok_reply (rmp_serde::to_vec (&vec! [one_req])?)?)
 			},
 			Ok (Err (ShuttingDownError::ShuttingDown)) => Ok (error_reply (StatusCode::SERVICE_UNAVAILABLE, "Server is shutting down, try again soon")?),
-			Err (_) => Ok (error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Server error")?),
+			Err (e) => {
+				error! ("{}", e);
+				Ok (error_reply (StatusCode::INTERNAL_SERVER_ERROR, "Server error")?)
+			},
 		},
 		_ = tokio::time::sleep (Duration::from_secs (30)).fuse () => {
 			trace! ("Timed out http_listen for server {}", watcher_code);