--- a/src/linetypes/modelobject.cpp Mon Mar 19 12:24:59 2018 +0200 +++ b/src/linetypes/modelobject.cpp Mon Mar 19 12:44:27 2018 +0200 @@ -160,7 +160,7 @@ bool result = false; result ^= (reference->isInverted()); result ^= (reference->transformationMatrix().determinant() < 0); - result ^= (reference->fileInfo(context)->header.winding != winding); + result ^= (reference->fileInfo(context)->winding() != winding); return result; }