diff --git a/ROMFS/px4fmu_common/init.d-posix/rcS b/ROMFS/px4fmu_common/init.d-posix/rcS
index b594ec3c3e..f00beb95b7 100644
--- a/ROMFS/px4fmu_common/init.d-posix/rcS
+++ b/ROMFS/px4fmu_common/init.d-posix/rcS
@@ -229,7 +229,7 @@ navigator start
 if px4-micrortps_client status > /dev/null 2>&1
 then
 	# shellcheck disable=SC2154
-	micrortps_client start -t UDP $((2019+2*px4_instance)) -s $((2020+2*px4_instance))
+	micrortps_client start -t UDP -r $((2019+2*px4_instance)) -s $((2020+2*px4_instance))
 fi
 
 if param greater -s MNT_MODE_IN -1