diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index fadb06ea8e..119e00a6ea 100644
--- a/ArduCopter/ArduCopter.pde
+++ b/ArduCopter/ArduCopter.pde
@@ -2404,7 +2404,7 @@ static void update_auto_yaw()
 	if(wp_control == LOITER_MODE)
 		return;
 
-	if(control_mode == CIRCLE_MODE){
+	if(control_mode == CIRCLE){
 		auto_yaw = get_bearing(&current_loc, &circle_WP);
 
 	}else if(yaw_tracking == MAV_ROI_LOCATION){