diff --git a/ROMFS/px4fmu_common/init.d-posix/airframes/4009_gz_r1_rover b/ROMFS/px4fmu_common/init.d-posix/airframes/4009_gz_r1_rover
index 647bba441d..45328ef215 100644
--- a/ROMFS/px4fmu_common/init.d-posix/airframes/4009_gz_r1_rover
+++ b/ROMFS/px4fmu_common/init.d-posix/airframes/4009_gz_r1_rover
@@ -39,7 +39,7 @@ param set-default RO_YAW_P 5
 param set-default RO_SPEED_LIM 2
 param set-default RO_SPEED_I 0.01
 param set-default RO_SPEED_P 0.1
-param set-defatul RO_SPEED_RED 1
+param set-default RO_SPEED_RED 1
 
 # Pure Pursuit parameters
 param set-default PP_LOOKAHD_GAIN 1