diff --git a/testaukset.py b/testaukset.py
index 7d8d2cb..79f6286 100644
--- a/testaukset.py
+++ b/testaukset.py
@@ -16,12 +16,13 @@ pwm = rGPIO.PWM(pwmPin, 10)
 
 pwm.start(0) 
 # 1000 Hz sound
-pwm.ChangeFrequency(1000)
 pwm.ChangeDutyCycle(100)
 
 while True:
     if button.read():
         led.write(1)
+        pwm.ChangeFrequency(1000)
     else:
         led.write(0)
+        pwm.ChangeFrequency(0)
     time.sleep(0.1)