diff --git a/docs/buildhat/passivemotor.py b/docs/buildhat/passivemotor.py
index 68d0f26..fe74765 100755
--- a/docs/buildhat/passivemotor.py
+++ b/docs/buildhat/passivemotor.py
@@ -7,7 +7,7 @@
 motor = PassiveMotor('A')
 
 print("Start motor")
-motor.start()
+motor.start(50)
 time.sleep(3)
 print("Stop motor")
 motor.stop()