1 files changed, 5 insertions, 2 deletions
diff --git a/src/imports/widgets/qquickqfiledialog.cpp b/src/imports/widgets/qquickqfiledialog.cpp
index 672c6d1bf4..afb150b509 100644
--- a/src/imports/widgets/qquickqfiledialog.cpp
+++ b/src/imports/widgets/qquickqfiledialog.cpp
@@ -96,8 +96,11 @@ public:
     virtual void exec() { m_dialog.exec(); }
 
     virtual bool show(Qt::WindowFlags f, Qt::WindowModality m, QWindow *parent) {
-        m_dialog.windowHandle()->setTransientParent(parent);
-        m_dialog.windowHandle()->setFlags(f);
+        m_dialog.winId();
+        QWindow *window = m_dialog.windowHandle();
+        Q_ASSERT(window);
+        window->setTransientParent(parent);
+        window->setFlags(f);
         m_dialog.setWindowModality(m);
         m_dialog.show();
         return m_dialog.isVisible();