diff --git a/lib/rdframe.h b/lib/rdframe.h
index 32a9c6ec..c8e74d87 100644
--- a/lib/rdframe.h
+++ b/lib/rdframe.h
@@ -29,8 +29,8 @@ class RDFrame : public QFrame, public RDFontEngine
 {
   Q_OBJECT;
  public:
-  RDFrame(QWidget *parent=0,Qt::WindowFlags f=0);
-  RDFrame(RDConfig *config,QWidget *parent=0,Qt::WindowFlags f=0);
+  RDFrame(QWidget *parent=0,Qt::WindowFlags f=Qt::WindowFlags());
+  RDFrame(RDConfig *config,QWidget *parent=0,Qt::WindowFlags f=Qt::WindowFlags());
 };