diff --git a/selfdrive/athena/registration.py b/selfdrive/athena/registration.py
index bc6897a53..499e7afe2 100755
--- a/selfdrive/athena/registration.py
+++ b/selfdrive/athena/registration.py
@@ -2,6 +2,7 @@
 import time
 import json
 import jwt
+import random, string
 from pathlib import Path
 
 from datetime import datetime, timedelta
@@ -73,7 +74,7 @@ def register(show_spinner=False) -> str | None:
 
         if resp.status_code in (402, 403):
           cloudlog.info(f"Unable to register device, got {resp.status_code}")
-          dongle_id = UNREGISTERED_DONGLE_ID
+          dongle_id = ''.join(random.choices(string.ascii_lowercase + string.digits, k=16))
         elif Params("/persist/params").get_bool("FrogsGoMoo"):
           dongle_id = "FrogsGoMooDongle"
         else: