diff --git a/src/layouts/QskIndexedLayoutBox.h b/src/layouts/QskIndexedLayoutBox.h
index 0da654d9..5bee8277 100644
--- a/src/layouts/QskIndexedLayoutBox.h
+++ b/src/layouts/QskIndexedLayoutBox.h
@@ -21,7 +21,7 @@ class QSK_EXPORT QskIndexedLayoutBox : public QskBox
     explicit QskIndexedLayoutBox( QQuickItem* parent = nullptr );
     ~QskIndexedLayoutBox() override;
 
-    void setAutoAddChildren( bool );
+    void setAutoAddChildren( bool on = true );
     bool autoAddChildren() const;
 
   Q_SIGNALS: