diff --git a/lib/transport.js b/lib/transport.js
index e971e5b..90572cd 100644
--- a/lib/transport.js
+++ b/lib/transport.js
@@ -51,6 +51,7 @@ async function sendToModem(partner, msg, modem, parentXid) {
             xid,
             partner,
             msgHead,
+            modem: modem.name,
             e: e.message,
         });
     }