diff --git a/src/main/flight/servos.c b/src/main/flight/servos.c
index 260af81f3..086d4fea1 100755
--- a/src/main/flight/servos.c
+++ b/src/main/flight/servos.c
@@ -118,7 +118,7 @@ static const servoMixer_t servoMixerFlyingWing[] = {
 
 static const servoMixer_t servoMixerBI[] = {
     { SERVO_BICOPTER_LEFT, INPUT_STABILIZED_YAW,   100, 0, 0, 100, 0 },
-    { SERVO_BICOPTER_LEFT, INPUT_STABILIZED_PITCH, 100, 0, 0, 100, 0 },
+    { SERVO_BICOPTER_LEFT, INPUT_STABILIZED_PITCH, -100, 0, 0, 100, 0 },
     { SERVO_BICOPTER_RIGHT, INPUT_STABILIZED_YAW,   100, 0, 0, 100, 0 },
     { SERVO_BICOPTER_RIGHT, INPUT_STABILIZED_PITCH, 100, 0, 0, 100, 0 },
 };