diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index e2b247a76c..e04945e96f 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -126,6 +126,7 @@ then
 	set PWM_AUX_DISARMED none
 	set PWM_AUX_MIN none
 	set PWM_AUX_MAX none
+	set FAILSAFE_AUX none
 	set MK_MODE none
 	set FMU_MODE pwm
 	set MAVLINK_F default