Index: src/qt/trafficgraphwidget.cpp
--- src/qt/trafficgraphwidget.cpp.orig
+++ src/qt/trafficgraphwidget.cpp
@@ -7,6 +7,7 @@
 #include <qt/clientmodel.h>
 
 #include <QPainter>
+#include <QPainterPath>
 #include <QColor>
 #include <QTimer>
 
