1 files changed, 4 insertions, 4 deletions
diff --git a/src/plugins/platforms/windows/qwindowsdialoghelpers.h b/src/plugins/platforms/windows/qwindowsdialoghelpers.h
index b3101a1419..673e12a31b 100644
--- a/src/plugins/platforms/windows/qwindowsdialoghelpers.h
+++ b/src/plugins/platforms/windows/qwindowsdialoghelpers.h
@@ -78,7 +78,7 @@ public:
     virtual bool supportsNonModalDialog(const QWindow * /* parent */ = 0) const { return true; }
 
 protected:
-    QWindowsDialogHelperBase();
+    QWindowsDialogHelperBase() {}
     QWindowsNativeDialogBase *nativeDialog() const;
     inline bool hasNativeDialog() const { return m_nativeDialog; }
     void timerEvent(QTimerEvent *) Q_DECL_OVERRIDE;
@@ -91,9 +91,9 @@ private:
     void cleanupThread();
 
     QWindowsNativeDialogBasePtr m_nativeDialog;
-    HWND m_ownerWindow;
-    int m_timerId;
-    QThread *m_thread;
+    HWND m_ownerWindow = 0;
+    int m_timerId = 0;
+    QThread *m_thread = nullptr;
 };
 
 QT_END_NAMESPACE