diff --git a/traceplot.cpp b/traceplot.cpp
index 3704d24..04bdba8 100644
--- a/traceplot.cpp
+++ b/traceplot.cpp
@@ -20,6 +20,7 @@
 #include <QPixmapCache>
 #include <QTextStream>
 #include <QtConcurrent>
+#include <QPainterPath>
 #include "samplesource.h"
 #include "traceplot.h"