diff --git a/src/main/flight/mixer.c b/src/main/flight/mixer.c
index 6982652eec..6cfc9b1e9a 100755
--- a/src/main/flight/mixer.c
+++ b/src/main/flight/mixer.c
@@ -288,7 +288,7 @@ static const servoMixer_t servoMixerAirplane[] = {
 static const servoMixer_t servoMixerFlyingWing[] = {
     { SERVO_FLAPPERON_1, INPUT_STABILIZED_ROLL,  100, 0, 0, 100, 0 },
     { SERVO_FLAPPERON_1, INPUT_STABILIZED_PITCH, 100, 0, 0, 100, 0 },
-    { SERVO_FLAPPERON_2, INPUT_STABILIZED_ROLL,  100, 0, 0, 100, 0 },
+    { SERVO_FLAPPERON_2, INPUT_STABILIZED_ROLL,  -100, 0, 0, 100, 0 },
     { SERVO_FLAPPERON_2, INPUT_STABILIZED_PITCH, 100, 0, 0, 100, 0 },
     { SERVO_THROTTLE, INPUT_STABILIZED_THROTTLE, 100, 0, 0, 100, 0 },
 };