diff --git a/Nasal/screen.nas b/Nasal/screen.nas index 6538d2191..1cda47bde 100644 --- a/Nasal/screen.nas +++ b/Nasal/screen.nas @@ -250,7 +250,7 @@ _setlistener("/sim/signals/nasal-dir-initialized", func { return; if (getprop("/sim/presets/airport-id") == "KSFO" and rwy == "28R") return; - if (getprop("/position/altitude-agl-ft") > 100) + if ((var agl = getprop("/position/altitude-agl-ft")) != nil and agl > 100) return; atc.setValue("You are on runway " ~ rwy); }, 1);