1 files changed, 3 insertions, 3 deletions
diff --git a/examples/opengl/2dpainting/glwidget.h b/examples/opengl/2dpainting/glwidget.h
index 0e6786a308..07b279117c 100644
--- a/examples/opengl/2dpainting/glwidget.h
+++ b/examples/opengl/2dpainting/glwidget.h
@@ -41,12 +41,12 @@
 #ifndef GLWIDGET_H
 #define GLWIDGET_H
 
-#include <QGLWidget>
+#include <QOpenGLWidget>
 
 //! [0]
 class Helper;
 
-class GLWidget : public QGLWidget
+class GLWidget : public QOpenGLWidget
 {
     Q_OBJECT
 
@@ -57,7 +57,7 @@ public slots:
     void animate();
 
 protected:
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
 
 private:
     Helper *helper;