2 files changed, 6 insertions, 4 deletions
diff --git a/src/printsupport/dialogs/qprintpreviewdialog.h b/src/printsupport/dialogs/qprintpreviewdialog.h
index 15e0271ba0..228cd24f48 100644
--- a/src/printsupport/dialogs/qprintpreviewdialog.h
+++ b/src/printsupport/dialogs/qprintpreviewdialog.h
@@ -52,8 +52,9 @@ class Q_PRINTSUPPORT_EXPORT QPrintPreviewDialog : public QDialog
     Q_DECLARE_PRIVATE(QPrintPreviewDialog)
 
 public:
-    explicit QPrintPreviewDialog(QWidget *parent = 0, Qt::WindowFlags flags = 0);
-    explicit QPrintPreviewDialog(QPrinter *printer, QWidget *parent = 0, Qt::WindowFlags flags = 0);
+    explicit QPrintPreviewDialog(QWidget *parent = Q_NULLPTR, Qt::WindowFlags flags = Qt::WindowFlags());
+    explicit QPrintPreviewDialog(QPrinter *printer, QWidget *parent = Q_NULLPTR,
+                                 Qt::WindowFlags flags = Qt::WindowFlags());
     ~QPrintPreviewDialog();
 
     using QDialog::open;
diff --git a/src/printsupport/widgets/qprintpreviewwidget.h b/src/printsupport/widgets/qprintpreviewwidget.h
index e88b421ca9..16b388d936 100644
--- a/src/printsupport/widgets/qprintpreviewwidget.h
+++ b/src/printsupport/widgets/qprintpreviewwidget.h
@@ -62,8 +62,9 @@ public:
         FitInView
     };
 
-    explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = 0, Qt::WindowFlags flags = 0);
-    explicit QPrintPreviewWidget(QWidget *parent = 0, Qt::WindowFlags flags = 0);
+    explicit QPrintPreviewWidget(QPrinter *printer, QWidget *parent = Q_NULLPTR,
+                                 Qt::WindowFlags flags = Qt::WindowFlags());
+    explicit QPrintPreviewWidget(QWidget *parent = Q_NULLPTR, Qt::WindowFlags flags = Qt::WindowFlags());
     ~QPrintPreviewWidget();
 
     qreal zoomFactor() const;