diff --git a/libraries/RC_Channel/RC_Channel.cpp b/libraries/RC_Channel/RC_Channel.cpp
index c1be664e2b..7c497c828e 100644
--- a/libraries/RC_Channel/RC_Channel.cpp
+++ b/libraries/RC_Channel/RC_Channel.cpp
@@ -121,7 +121,7 @@ RC_Channel::calc_pwm(void)
 {
 	if(_type == RC_CHANNEL_RANGE){
 		pwm_out 	= range_to_pwm();
-		radio_out 	= pwm_out + radio_min;
+		radio_out 	= (_reverse >=0 ? pwm_out + radio_min : radio_max - pwm_out);
 
 	}else if(_type == RC_CHANNEL_ANGLE_RAW){
 		pwm_out 	= (float)servo_out * .1;