diff --git a/platypush/backend/sensor/motion/pwm3901.py b/platypush/backend/sensor/motion/pwm3901.py
index 20a63c979a..271b85cd60 100644
--- a/platypush/backend/sensor/motion/pwm3901.py
+++ b/platypush/backend/sensor/motion/pwm3901.py
@@ -1,7 +1,7 @@
 from platypush.backend.sensor import SensorBackend
 
 
-class SensorPwm3901Backend(SensorBackend):
+class SensorMotionPwm3901Backend(SensorBackend):
     """
     Backend to poll an `PWM3901 <https://github.com/pimoroni/pmw3901-python>`_
     optical flow and motion sensor