diff --git a/examples/boxplotchart/main.cpp b/examples/boxplotchart/main.cpp
index c4b0435..9edcf7f 100644
--- a/examples/boxplotchart/main.cpp
+++ b/examples/boxplotchart/main.cpp
@@ -25,6 +25,7 @@
 #include <QBoxSet>
 #include <QLegend>
 #include <QBarCategoryAxis>
+#include <QFile>
 
 #include "boxdatareader.h"