@@ -172,8 +172,11 @@ var init_props = func {

     props.globals.getNode('/autopilot/locks/roll',1).setValue('');

     props.globals.getNode('/autopilot/locks/passive-mode', 1).setIntValue(1);

-    data.zkv1000_dir = getprop('/sim/fg-aircraft') ~ '/Instruments-3d/zkv1000/';

     data.zkv1000_reldir = 'Aircraft/Instruments-3d/zkv1000/';

+    if (getprop('/sim/fg-aircraft') != nil)

+        data.zkv1000_dir = getprop('/sim/fg-aircraft') ~ '/Instruments-3d/zkv1000/';

+    else

+        data.zkv1000_dir = getprop('/sim/fg-root') ~ '/' ~ data.zkv1000_reldir;

 }

 var load_nasal = func {