diff --git a/ROMFS/px4fmu_common/init.d/airframes/4421_ssrc_skywalker b/ROMFS/px4fmu_common/init.d/airframes/4421_ssrc_skywalker
index 479f0539000c..46a6e03e2ff2 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/4421_ssrc_skywalker
+++ b/ROMFS/px4fmu_common/init.d/airframes/4421_ssrc_skywalker
@@ -14,11 +14,13 @@
 # Control allocator parameters
 param set-default CA_AIRFRAME 1
 param set-default CA_ROTOR_COUNT 1
+param set-default CA_SV_CS0_TYPE 5
+param set-default CA_SV_CS1_TYPE 6
 
 # PWM
 param set-default PWM_MAIN_FUNC1 201
 param set-default PWM_MAIN_FUNC2 202
-param set-default PWM_MAIN_FUNC3 101
+param set-default PWM_MAIN_FUNC4 101
 
 # Airspeed parameters
 ms4525do start -X -f 500