diff --git a/posix-configs/SITL/init/rcS_jmavsim_iris b/posix-configs/SITL/init/rcS_jmavsim_iris
index 3f139703497..99501dd819b 100644
--- a/posix-configs/SITL/init/rcS_jmavsim_iris
+++ b/posix-configs/SITL/init/rcS_jmavsim_iris
@@ -60,8 +60,8 @@ ekf2 start
 mc_pos_control start
 mc_att_control start
 mixer load /dev/pwm_output0 ../../../../ROMFS/px4fmu_common/mixers/quad_x.main.mix
-mavlink start -u 14556 -r 2000000 -t 127.0.0.1
-mavlink start -u 14557 -r 2000000 -m onboard -o 14540 -t 127.0.0.1
+mavlink start -u 14556 -r 2000000
+mavlink start -u 14557 -r 2000000 -m onboard -o 14540
 mavlink stream -r 80 -s POSITION_TARGET_LOCAL_NED -u 14556
 mavlink stream -r 80 -s LOCAL_POSITION_NED -u 14556
 mavlink stream -r 80 -s GLOBAL_POSITION_INT -u 14556
@@ -72,5 +72,5 @@ mavlink stream -r 20 -s RC_CHANNELS -u 14556
 mavlink stream -r 250 -s HIGHRES_IMU -u 14556
 mavlink stream -r 10 -s OPTICAL_FLOW_RAD -u 14556
 mavlink stream -r 20 -s MANUAL_CONTROL -u 14556
-mavlink boot_complete
 sdlog2 start -r 100 -e -t -a
+mavlink boot_complete