diff --git a/src/lib/mixer/mixer_multirotor.cpp b/src/lib/mixer/mixer_multirotor.cpp
index 35b561c4e6..4134dd0c51 100644
--- a/src/lib/mixer/mixer_multirotor.cpp
+++ b/src/lib/mixer/mixer_multirotor.cpp
@@ -209,10 +209,10 @@ MultirotorMixer::mix(float *outputs, unsigned space)
 	// which may result in motor saturation after thrust boost is applied
 	// TODO: revise the saturation/boosting strategy
 
-	if (min_out < 0.0f && max_out < 1.0f && -min_out <= 1.0f - max_out) {
+	if (min_out < 0.0f && max_out < 1.0f && max_out - min_out <= 1.0f) {
 		boost = -min_out;
 
-	} else if (max_out > 1.0f && min_out > 0.0f && min_out >= max_out - 1.0f) {
+	} else if (max_out > 1.0f && min_out > 0.0f && max_out - min_out <= 1.0f) {
 		float max_thrust_diff = thrust - thrust_decrease_factor * thrust;
 
 		if (max_thrust_diff >= max_out - 1.0f) {
@@ -223,12 +223,12 @@ MultirotorMixer::mix(float *outputs, unsigned space)
 			roll_pitch_scale = (1 - (thrust + boost)) / (max_out - thrust);
 		}
 
-	} else if (min_out < 0.0f && max_out < 1.0f && -min_out > 1.0f - max_out) {
+	} else if (min_out < 0.0f && max_out < 1.0f && max_out - min_out > 1.0f) {
 		float max_thrust_diff = thrust * thrust_increase_factor - thrust;
 		boost = math::constrain(-min_out - (1.0f - max_out) / 2.0f, 0.0f, max_thrust_diff);
 		roll_pitch_scale = (thrust + boost) / (thrust - min_out);
 
-	} else if (max_out > 1.0f && min_out > 0.0f && min_out < max_out - 1.0f) {
+	} else if (max_out > 1.0f && min_out > 0.0f && max_out - min_out > 1.0f) {
 		float max_thrust_diff = thrust - thrust_decrease_factor * thrust;
 		boost = math::constrain(-(max_out - 1.0f - min_out) / 2.0f, -max_thrust_diff, 0.0f);
 		roll_pitch_scale = (1 - (thrust + boost)) / (max_out - thrust);