diff --git a/powerwall.sh b/powerwall.sh
index 1bf4baaf..8ca31c07 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -16,11 +16,11 @@ source /opt/idssys/defaults/default.inc
 GETTEMP(){
 	echo ${SENSOR_MQTTID[$1]}
 	mqtt_message=`mosquitto_sub -h 10.10.1.180 -t tasmota/discovery/${SENSOR_MQTTID[$1]}/sensors -u homeassistant -P 12home34assistant56 -C 1`
-	echo $payload
-	echo $payload | cut -d':' -f 7 | cut -d',' -f 1 | read temp_c
+	echo $mqtt_message
+	echo $mqtt_message | cut -d':' -f 7 | cut -d',' -f 1 | read temp_c
 	temp_f=`echo "scale=2; $temp*1.8 + 32" | bc`
 	
-	echo "$temp_c -> $tempf"
+	echo "$temp_c -> $temp_f"
 }