diff --git a/thermo_sensor/thermo_sensor.ino b/thermo_sensor/thermo_sensor.ino
index b7044aa..6898ae1 100644
--- a/thermo_sensor/thermo_sensor.ino
+++ b/thermo_sensor/thermo_sensor.ino
@@ -93,6 +93,7 @@ void ParseIncomingPacket()
 	if (strncmp(incoming_packet, "ping", pos) == 0)
 	{
 		Serial.println("Ping command received");
+		last_ping = millis();
 	}
 	else
 	{