2 files changed, 4 insertions, 5 deletions
diff --git a/examples/widgets/widgets/imageviewer/imageviewer.cpp b/examples/widgets/widgets/imageviewer/imageviewer.cpp
index 327abf7e43..b1346d9ccb 100644
--- a/examples/widgets/widgets/imageviewer/imageviewer.cpp
+++ b/examples/widgets/widgets/imageviewer/imageviewer.cpp
@@ -59,10 +59,9 @@
 #include "imageviewer.h"
 
 //! [0]
-ImageViewer::ImageViewer()
-   : imageLabel(new QLabel)
-   , scrollArea(new QScrollArea)
-   , scaleFactor(1)
+ImageViewer::ImageViewer(QWidget *parent)
+   : QMainWindow(parent), imageLabel(new QLabel),
+     scrollArea(new QScrollArea), scaleFactor(1)
 {
     imageLabel->setBackgroundRole(QPalette::Base);
     imageLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
diff --git a/examples/widgets/widgets/imageviewer/imageviewer.h b/examples/widgets/widgets/imageviewer/imageviewer.h
index f4a62cafe9..7e53105b33 100644
--- a/examples/widgets/widgets/imageviewer/imageviewer.h
+++ b/examples/widgets/widgets/imageviewer/imageviewer.h
@@ -71,7 +71,7 @@ class ImageViewer : public QMainWindow
     Q_OBJECT
 
 public:
-    ImageViewer();
+    ImageViewer(QWidget *parent = nullptr);
     bool loadFile(const QString &);
 
 private slots: