2 files changed, 3 insertions, 2 deletions
diff --git a/examples/widgets/widgets/tooltips/sortingbox.cpp b/examples/widgets/widgets/tooltips/sortingbox.cpp
index 4769a30c64..766815e8e9 100644
--- a/examples/widgets/widgets/tooltips/sortingbox.cpp
+++ b/examples/widgets/widgets/tooltips/sortingbox.cpp
@@ -55,7 +55,8 @@
 #include "sortingbox.h"
 
 //! [0]
-SortingBox::SortingBox()
+SortingBox::SortingBox(QWidget *parent)
+    : QWidget(parent)
 {
 //! [0] //! [1]
     setMouseTracking(true);
diff --git a/examples/widgets/widgets/tooltips/sortingbox.h b/examples/widgets/widgets/tooltips/sortingbox.h
index 2ac27614a5..12bdeff1f6 100644
--- a/examples/widgets/widgets/tooltips/sortingbox.h
+++ b/examples/widgets/widgets/tooltips/sortingbox.h
@@ -67,7 +67,7 @@ class SortingBox : public QWidget
     Q_OBJECT
 
 public:
-    SortingBox();
+    SortingBox(QWidget *parent = nullptr);
 
 protected:
     bool event(QEvent *event) override;