diff --git a/ROMFS/px4fmu_common/init.d-posix/airframes/1011_iris_irlock b/ROMFS/px4fmu_common/init.d-posix/airframes/1011_iris_irlock
index 7850d8b158..58a005f414 100644
--- a/ROMFS/px4fmu_common/init.d-posix/airframes/1011_iris_irlock
+++ b/ROMFS/px4fmu_common/init.d-posix/airframes/1011_iris_irlock
@@ -12,5 +12,8 @@ param set-default LTEST_MODE 1
 param set-default PLD_HACC_RAD 0.1
 param set-default RTL_PLD_MD 2
 
+# make precision landing required
+param set-default RTL_PLD_MD 2
+
 # Start up Landing Target Estimator module
 landing_target_estimator start