diff --git a/sources/inverter-mqtt/mqtt-push.sh b/sources/inverter-mqtt/mqtt-push.sh
index 5b1002c..cf8a044 100755
--- a/sources/inverter-mqtt/mqtt-push.sh
+++ b/sources/inverter-mqtt/mqtt-push.sh
@@ -14,6 +14,7 @@ pushMQTTData () {
         -p $MQTT_PORT \
         -u "$MQTT_USERNAME" \
         -P "$MQTT_PASSWORD" \
+        -i "voltronic_8a39d0c8faf1" \
         -t "$MQTT_TOPIC/sensor/"$MQTT_DEVICENAME"_$1" \
         -m "$2"