diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 278769b9..2bc471f3 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -277,7 +277,8 @@ void transmit_off() {
   Serial.println("Transmit off!");
   digitalWrite(MAIN_LED_BLUE, LOW);	
   pwm_set_gpio_level(BPSK_PWM_A_PIN, 0);	
-  pwm_set_gpio_level(BPSK_PWM_B_PIN, 0);	 
+  pwm_set_gpio_level(BPSK_PWM_B_PIN, 0);
+  sstv_stop = true;
 }
 
 void config_telem() {