diff --git a/src/vehicle.cpp b/src/vehicle.cpp
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -2373,7 +2373,7 @@ void GetVehicleSet(VehicleSet &set, Vehi
 			u = u->GetFirstEnginePart();
 			while (u->index != v->index) {
 				set.Include(u->index);
-				u = u->GetNextArticPart();
+				u = u->GetNextArticulatedPart();
 			}
 		}