diff --git a/libraries/AP_Vehicle/AP_Vehicle.cpp b/libraries/AP_Vehicle/AP_Vehicle.cpp
index 4b6a95807f..b4f002d52e 100644
--- a/libraries/AP_Vehicle/AP_Vehicle.cpp
+++ b/libraries/AP_Vehicle/AP_Vehicle.cpp
@@ -802,7 +802,7 @@ void AP_Vehicle::update_throttle_notch(AP_InertialSensor::HarmonicNotch &notch)
     } else
 #else  // APM_BUILD_Rover
     const AP_MotorsUGV *motors = AP::motors_ugv();
-    const float motors_throttle = motors != nullptr ? abs(motors->get_throttle() / 100.0f) : 0;
+    const float motors_throttle = motors != nullptr ? abs(motors->get_throttle() * 0.01f) : 0;
 #endif
     {
         float throttle_freq = ref_freq * sqrtf(MAX(0,motors_throttle) / ref);