--- src/gui/widgets/Panner.cpp.orig	2020-05-18 16:29:03 UTC
+++ src/gui/widgets/Panner.cpp
@@ -26,6 +26,7 @@
 
 #include <QPolygon>
 #include <QMouseEvent>
+#include <QPainterPath>
 
 #include <iostream>
 
