diff --git a/platypush/plugins/gpio/sensor/motion/pwm3901.py b/platypush/plugins/gpio/sensor/motion/pwm3901.py
index 97ccb890..6398142c 100644
--- a/platypush/plugins/gpio/sensor/motion/pwm3901.py
+++ b/platypush/plugins/gpio/sensor/motion/pwm3901.py
@@ -114,7 +114,7 @@ class GpioSensorMotionPwm3901Plugin(GpioSensorPlugin):
             'motion_x': x,
             'motion_y': y,
             'motion_mod': math.sqrt(x * x + y * y),
-            'motion_events_per_sec': self._events_per_sec[secs],
+            'motion_events_per_sec': self._events_per_sec.get(secs, 0),
         }