diff --git a/examples/webenginewidgets/demobrowser/fullscreennotification.h b/examples/webenginewidgets/demobrowser/fullscreennotification.h
index 051075ab30551c0c2454a2a1962268221215e2a1..f515bfecbd7aab0532ff91e9c4e0c29cd3c4f4da 100644
--- a/examples/webenginewidgets/demobrowser/fullscreennotification.h
+++ b/examples/webenginewidgets/demobrowser/fullscreennotification.h
@@ -44,9 +44,11 @@
 
 #include <QWidget>
 
+QT_BEGIN_NAMESPACE
 class QLabel;
 class QGridLayout;
 class QPropertyAnimation;
+QT_END_NAMESPACE
 
 class FullScreenNotification : public QWidget
 {
@@ -72,5 +74,4 @@ private:
     int y;
 };
 
-
 #endif // FULLSCREENNOTIFICATION_H
diff --git a/examples/webenginewidgets/demobrowser/tabwidget.h b/examples/webenginewidgets/demobrowser/tabwidget.h
index 1ba9afe4a0a17d07c55e24b04fc6f3c607f17e50..5ef403bf5a7f2cda2d31e9b77ffd48bb4f3e44d4 100644
--- a/examples/webenginewidgets/demobrowser/tabwidget.h
+++ b/examples/webenginewidgets/demobrowser/tabwidget.h
@@ -128,13 +128,16 @@ private:
 
 #include <QtCore/QUrl>
 #include <QtWidgets/QTabWidget>
-QT_BEGIN_NAMESPACE
+
 class FullScreenNotification;
+
+QT_BEGIN_NAMESPACE
 class QCompleter;
 class QLineEdit;
 class QMenu;
 class QStackedWidget;
 QT_END_NAMESPACE
+
 /*!
     TabWidget that contains WebViews and a stack widget of associated line edits.