diff --git a/c++/widgets/pixmapdial.cpp b/c++/widgets/pixmapdial.cpp
index 37dcffd..0b5e0f5 100644
--- a/c++/widgets/pixmapdial.cpp
+++ b/c++/widgets/pixmapdial.cpp
@@ -22,6 +22,7 @@
 #include <QtCore/QTimer>
 #include <QtGui/QPainter>
 #include <QtGui/QPaintEvent>
+#include <QtGui/QPainterPath>
 
 PixmapDial::PixmapDial(QWidget* parent)
     : QDial(parent),