From f3d2948307d35be753d76bd6e28c3a9d29ffe992 Mon Sep 17 00:00:00 2001
From: Thomas Gubler <thomasgubler@gmail.com>
Date: Wed, 26 Mar 2014 00:20:12 +0100
Subject: [PATCH] primary flight display: actually use airspeed

---
 src/ui/PrimaryFlightDisplay.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/ui/PrimaryFlightDisplay.cc b/src/ui/PrimaryFlightDisplay.cc
index e0197b7bf..35063a380 100644
--- a/src/ui/PrimaryFlightDisplay.cc
+++ b/src/ui/PrimaryFlightDisplay.cc
@@ -1037,8 +1037,7 @@ void PrimaryFlightDisplay::drawVelocityMeter(
     float markerTip = (tickmarkLeftMajor+tickmarkRight*2)/3;
 
     // Select between air and ground speed:
-
-    float speed = (isAirplane() && isnan(airSpeed)) ? airSpeed : groundSpeed;
+    float speed = (isAirplane() && !isnan(airSpeed)) ? airSpeed : groundSpeed;
     float centerScaleSpeed = isnan(speed) ? 0 : speed;
 
     float start = centerScaleSpeed - AIRSPEED_LINEAR_SPAN/2;
-- 
2.22.0