diff --git a/posix-configs/SITL/init/rcS_ekf2_jmavsim_iris b/posix-configs/SITL/init/rcS_ekf2_jmavsim_iris
index 0b85ae68ce..bcaa306383 100644
--- a/posix-configs/SITL/init/rcS_ekf2_jmavsim_iris
+++ b/posix-configs/SITL/init/rcS_ekf2_jmavsim_iris
@@ -55,6 +55,7 @@ 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
 mavlink stream -r 80 -s ATTITUDE -u 14556
+mavlink stream -r 80 -s ATTITUDE_QUATERNION -u 14556
 mavlink stream -r 80 -s ATTITUDE_TARGET -u 14556
 mavlink stream -r 20 -s RC_CHANNELS -u 14556
 mavlink stream -r 250 -s HIGHRES_IMU -u 14556