diff --git a/ROMFS/px4fmu_common/init.d/airframes/13002_firefly6 b/ROMFS/px4fmu_common/init.d/airframes/13002_firefly6
index 21ca941162..7f2acf3156 100644
--- a/ROMFS/px4fmu_common/init.d/airframes/13002_firefly6
+++ b/ROMFS/px4fmu_common/init.d/airframes/13002_firefly6
@@ -46,6 +46,7 @@ then
 	param set VT_TILT_MC 0.08
 	param set VT_TILT_TRANS 0.5
 	param set VT_TILT_FW 0.9
+	param set VT_ELEV_MC_LOCK 0
 	param set VT_TYPE 1
 fi