diff --git a/OpenRA.Mods.RA/Air/Plane.cs b/OpenRA.Mods.RA/Air/Plane.cs
index 4c785871d9..d0ef7a79d5 100755
--- a/OpenRA.Mods.RA/Air/Plane.cs
+++ b/OpenRA.Mods.RA/Air/Plane.cs
@@ -42,11 +42,14 @@ namespace OpenRA.Mods.RA.Air
 				{	
 					/* not spawning in the air, so try to assoc. with our afld. this is a hack. */
 					var afld = self.World.FindUnits(self.CenterLocation, self.CenterLocation)
-						.FirstOrDefault( a => a.HasTrait<Reservable>() );
-					var res = afld.Trait<Reservable>();
-
-					if (res != null)
-						reservation = res.Reserve(afld, self);
+						.FirstOrDefault( a => a.HasTrait<Reservable>() );
+
+					if (afld != null)
+					{
+						var res = afld.Trait<Reservable>();
+						if (res != null)
+							reservation = res.Reserve(afld, self);
+					}
 				}
 			}
 		}