2 files changed, 2 insertions, 2 deletions
diff --git a/examples/itemviews/chart/pieview.cpp b/examples/itemviews/chart/pieview.cpp
index 7305181b44..30f3255689 100644
--- a/examples/itemviews/chart/pieview.cpp
+++ b/examples/itemviews/chart/pieview.cpp
@@ -63,7 +63,7 @@ PieView::PieView(QWidget *parent)
 
 void PieView::dataChanged(const QModelIndex &topLeft,
                           const QModelIndex &bottomRight,
-                          const QSet<int> &)
+                          const QVector<int> &)
 {
     QAbstractItemView::dataChanged(topLeft, bottomRight);
 
diff --git a/examples/itemviews/chart/pieview.h b/examples/itemviews/chart/pieview.h
index 7ee48565e8..208159bf73 100644
--- a/examples/itemviews/chart/pieview.h
+++ b/examples/itemviews/chart/pieview.h
@@ -68,7 +68,7 @@ public:
     QModelIndex indexAt(const QPoint &point) const;
 
 protected slots:
-    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QSet<int> &);
+    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> & = QVector<int>());
     void rowsInserted(const QModelIndex &parent, int start, int end);
     void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);