diff --git a/dbus-mqtt-battery/dbus-mqtt-battery.py b/dbus-mqtt-battery/dbus-mqtt-battery.py
index 37b46d5..c2f5d1c 100644
--- a/dbus-mqtt-battery/dbus-mqtt-battery.py
+++ b/dbus-mqtt-battery/dbus-mqtt-battery.py
@@ -354,7 +354,7 @@ def __init__(
         self._dbusservice.add_path('/ProductId', 0xFFFF)
         self._dbusservice.add_path('/ProductName', productname)
         self._dbusservice.add_path('/CustomName', customname)
-        self._dbusservice.add_path('/FirmwareVersion', '1.0.3')
+        self._dbusservice.add_path('/FirmwareVersion', '1.0.2')
         #self._dbusservice.add_path('/HardwareVersion', '')
         self._dbusservice.add_path('/Connected', 1)