diff --git a/calibrate.go b/calibrate.go
index ff1b09d..2147ddd 100644
--- a/calibrate.go
+++ b/calibrate.go
@@ -122,6 +122,7 @@ func main() {
 	if devEui != "" {
 		fmt.Println("Hit Return when no weight is on scale (neither on A not on B)")
 		reader.ReadString('\n')
+		sendCommand(s, "AT+XXX")
 		sensorData := ReadSensorData(s)
 		fmt.Printf("%v\n", sensorData)
 		a0, _ := strconv.Atoi(sensorData.WeightARaw)
@@ -130,10 +131,12 @@ func main() {
 		sendCommand(s, "AT+CAL_B_0="+sensorData.WeightBRaw)
 		fmt.Println("Put Weight on Scale A, then hit Return")
 		reader.ReadString('\n')
+		sendCommand(s, "AT+XXX")
 		sensorData = ReadSensorData(s)
 		aW, _ := strconv.Atoi(sensorData.WeightARaw)
 		fmt.Println("Put Weight on Scale B, then hit Return")
 		reader.ReadString('\n')
+		sendCommand(s, "AT+XXX")
 		sensorData = ReadSensorData(s)
 		bW, _ := strconv.Atoi(sensorData.WeightBRaw)
 		calA := float64(aW-a0) / float64(calWeight)