diff --git a/ROMFS/px4fmu_common/mixers/quad_+_vtol.main.mix b/ROMFS/px4fmu_common/mixers/quad_+_vtol.main.mix
index 1f79661f9af..3021221d801 100644
--- a/ROMFS/px4fmu_common/mixers/quad_+_vtol.main.mix
+++ b/ROMFS/px4fmu_common/mixers/quad_+_vtol.main.mix
@@ -18,11 +18,11 @@ S: 1 0   10000   10000    0 -10000  10000
 S: 1 1  -10000  -10000    0 -10000  10000
 
 # mixer for canard surface
-M: 2
+M: 1
 O:       10000   10000    0 -10000  10000
 S: 1 1  -10000  -10000    0 -10000  10000
 
 # mixer for rudder
-M: 2
+M: 1
 O:       10000   10000    0 -10000  10000
 S: 1 2  -10000  -10000    0 -10000  10000