--- src/frame_slider.cpp.old	2021-09-08 16:11:59.407767188 +0200
+++ src/frame_slider.cpp	2021-09-08 16:12:23.529851261 +0200
@@ -23,6 +23,7 @@
 #include <QPainter>
 #include <QSlider>
 #include <QStyleOptionSlider>
+#include <QPainterPath>
 
 #include <cassert>