diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index b43c88e9..faab3a1c 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -262,7 +262,7 @@ void loop() {
  
       ITimer1.stopTimer();	// turn off pushbutton timer  	  
       play_pwm_file(26);
-      ITimer1.startTimer();	// turn back on pushbutton timer  	  
+      ITimer1.restartTimer();	// turn back on pushbutton timer  	  
       if (debug_mode)	  
         Serial.println("Stop transmit!");
       digitalWrite(PTT_PIN, HIGH);  // stop transmit