diff --git a/ROMFS/px4fmu_common/init.d-posix/rcS b/ROMFS/px4fmu_common/init.d-posix/rcS
index 0084a6701e6d..e7a6ae984dcc 100644
--- a/ROMFS/px4fmu_common/init.d-posix/rcS
+++ b/ROMFS/px4fmu_common/init.d-posix/rcS
@@ -164,6 +164,10 @@ param set-default COM_RC_IN_MODE 1
 # Speedup SITL startup
 param set-default EKF2_REQ_GPS_H 0.5
 
+# Multi-EKF
+param set-default EKF2_MULTI_IMU 3
+param set-default SENS_IMU_MODE 0
+
 param set-default IMU_GYRO_FFT_EN 1
 param set-default MAV_PROTO_VER 2 # Ensures QGC does not drop the first few packets after a SITL restart due to MAVLINK 1 packets