diff --git a/ROMFS/px4fmu_common/init.d/13002_firefly6 b/ROMFS/px4fmu_common/init.d/13002_firefly6
index 551a19928e..29167f1ede 100644
--- a/ROMFS/px4fmu_common/init.d/13002_firefly6
+++ b/ROMFS/px4fmu_common/init.d/13002_firefly6
@@ -8,7 +8,10 @@
 sh /etc/init.d/rc.vtol_defaults
 
 set MIXER firefly6
+set MIXER_AUX firefly6
 
 set PWM_OUT 12345678
+set PWM_AUX_OUT 1234
+set PWM_AUX_RATE 50
 param set VT_MOT_COUNT 6
 param set VT_IDLE_PWM_MC 1080