diff --git a/iot/main/main.ino b/iot/main/main.ino
index b4cb88e..9648ded 100644
--- a/iot/main/main.ino
+++ b/iot/main/main.ino
@@ -69,6 +69,7 @@ void setup() {
 	}
 	
 	#ifdef ENABLE_RADIO
+	Serial.println(F("[main] Transmitting"));
 	transmit_init();
 	transmit_send(message, message_size);
 	#endif