diff --git a/scripts/speed_reader.py b/scripts/speed_reader.py
index 4e8e37a..f71fe66 100644
--- a/scripts/speed_reader.py
+++ b/scripts/speed_reader.py
@@ -39,6 +39,11 @@ def speed_calc():
     time_delta = (now - last_time).total_seconds()
 
     actual_rpm = (impulses/pulses_per_rotation) * (60/time_delta)
+
+    last_rpm = float(get_variable("actual_rpm_unfiltered"))
+    actual_rpm = (last_rpm + actual_rpm) / 2
+    set_variable("actual_rpm_unfiltered", rpm, False)
+
     set_variable("actual_rpm", round(actual_rpm, 1), False)
     print(actual_rpm)