diff --git a/thermo_sensor/thermo_sensor.ino b/thermo_sensor/thermo_sensor.ino
index 6898ae1..15dd892 100644
--- a/thermo_sensor/thermo_sensor.ino
+++ b/thermo_sensor/thermo_sensor.ino
@@ -117,6 +117,7 @@ void loop()
 	{
 		ParseIncomingPacket();
 	}
+	current = millis();
 	if (current < last_ping || current - last_ping >= PING_INTERVAL)
 	{
 		// no pings for long time, reboot