1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/widgets/qvalidator.h b/src/gui/widgets/qvalidator.h
index ce78959c1..5c27d1d48 100644
--- a/src/gui/widgets/qvalidator.h
+++ b/src/gui/widgets/qvalidator.h
@@ -61,7 +61,7 @@ class Q_GUI_EXPORT QValidator : public QObject
 {
     Q_OBJECT
 public:
-    explicit QValidator(QObject * parent);
+    explicit QValidator(QObject * parent=0);
     ~QValidator();
 
     enum State {
@@ -100,7 +100,7 @@ class Q_GUI_EXPORT QIntValidator : public QValidator
     Q_PROPERTY(int top READ top WRITE setTop)
 
 public:
-    explicit QIntValidator(QObject * parent);
+    explicit QIntValidator(QObject * parent=0);
     QIntValidator(int bottom, int top, QObject * parent);
     ~QIntValidator();