--- a/src/SkewT.h 2019-07-05 11:01:01.000000000 +0200
+++ b/src/SkewT.h 2020-07-28 16:08:15.572570312 +0200
@@ -16,6 +16,7 @@
#include <QMainWindow>
#include <QFrame>
#include <QPainter>
+#include <QPainterPath>
#include <QLayout>
#include <QKeyEvent>
#include <QPrintDialog>