diff --git a/ROMFS/px4fmu_common/init.d-posix/airframes/4012_gz_rover b/ROMFS/px4fmu_common/init.d-posix/airframes/4012_gz_rover
index 97a9b27cb9..b4f8e3996e 100644
--- a/ROMFS/px4fmu_common/init.d-posix/airframes/4012_gz_rover
+++ b/ROMFS/px4fmu_common/init.d-posix/airframes/4012_gz_rover
@@ -28,15 +28,15 @@ param set-default SIM_GZ_WH_MIN2 0
 param set-default SIM_GZ_WH_MAX2 200
 param set-default SIM_GZ_WH_DIS2 100
 
-param set-default SIM_GZ_WH_FUNC2 103 # left wheel
-param set-default SIM_GZ_WH_MIN2 0
-param set-default SIM_GZ_WH_MAX2 200
-param set-default SIM_GZ_WH_DIS2 100
+param set-default SIM_GZ_WH_FUNC3 103 # left wheel
+param set-default SIM_GZ_WH_MIN3 0
+param set-default SIM_GZ_WH_MAX3 200
+param set-default SIM_GZ_WH_DIS3 100
 
-param set-default SIM_GZ_WH_FUNC2 104 # left wheel
-param set-default SIM_GZ_WH_MIN2 0
-param set-default SIM_GZ_WH_MAX2 200
-param set-default SIM_GZ_WH_DIS2 100
+param set-default SIM_GZ_WH_FUNC4 104 # left wheel
+param set-default SIM_GZ_WH_MIN4 0
+param set-default SIM_GZ_WH_MAX4 200
+param set-default SIM_GZ_WH_DIS4 100
 
 param set-default SIM_GZ_SV_FUNC1 201
 param set-default SIM_GZ_SV_FUNC2 202