X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Ffg_props.cxx;h=770ca620ea91c281920b2277b6a4418bbdfada57;hb=6077e8a8248db3e27ff10cd654219c8dbb758861;hp=18345fc9f281fa0ea619c8956d11a3122e039728;hpb=c51b629d8e6cd8f8dc232b7a8853f4ed16fa179b;p=flightgear.git

diff --git a/src/Main/fg_props.cxx b/src/Main/fg_props.cxx
index 18345fc9f..770ca620e 100644
--- a/src/Main/fg_props.cxx
+++ b/src/Main/fg_props.cxx
@@ -378,7 +378,10 @@ getMagDip ()
 static double
 getHeadingMag ()
 {
-  return current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
+  double magheading;
+  magheading = current_aircraft.fdm_state->get_Psi() * SGD_RADIANS_TO_DEGREES - getMagVar();
+  if (magheading < 0) magheading += 360;
+  return magheading;
 }