diff --git a/APMrover2/motor_test.cpp b/APMrover2/motor_test.cpp
index 764afc2a1ff..e389c23307f 100644
--- a/APMrover2/motor_test.cpp
+++ b/APMrover2/motor_test.cpp
@@ -41,7 +41,7 @@ void Rover::motor_test_output()
 
             case MOTOR_TEST_THROTTLE_PILOT:
                 if ((AP_MotorsUGV::motor_test_order)motor_test_seq == AP_MotorsUGV::MOTOR_TEST_STEERING) {
-                    test_result = g2.motors.output_test_pct((AP_MotorsUGV::motor_test_order)motor_test_seq, channel_steer->get_control_in());
+                    test_result = g2.motors.output_test_pct((AP_MotorsUGV::motor_test_order)motor_test_seq, channel_steer->norm_input_dz() * 100.0f);
                 } else {
                     test_result = g2.motors.output_test_pct((AP_MotorsUGV::motor_test_order)motor_test_seq, channel_throttle->get_control_in());
                 }