diff --git a/selfdrive/thermald/thermald.py b/selfdrive/thermald/thermald.py
index 96ab1907158a4f..0dd5b7169b98f8 100755
--- a/selfdrive/thermald/thermald.py
+++ b/selfdrive/thermald/thermald.py
@@ -253,6 +253,7 @@ def thermald_thread():
     if is_uno:
       msg.thermal.batteryPercent = 100
       msg.thermal.batteryStatus = "Charging"
+      msg.thermal.bat = 0
 
     current_filter.update(msg.thermal.batteryCurrent / 1e6)