diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 76544d2524..9211a24efd 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -5188,6 +5188,8 @@ QPixmap QWidget::grab(const QRect &rectangle)
     if (testAttribute(Qt::WA_PendingResizeEvent) || !testAttribute(Qt::WA_WState_Created))
         sendResizeEvents(this);
 
+    adjustSize();
+
     QRect r(rectangle);
     if (r.width() < 0)
         r.setWidth(width() - rectangle.x());
diff --git a/tests/auto/gui/image/qpixmap/qpixmap.pro b/tests/auto/gui/image/qpixmap/qpixmap.pro
index bcd65897d2..fe156d547c 100644
--- a/tests/auto/gui/image/qpixmap/qpixmap.pro
+++ b/tests/auto/gui/image/qpixmap/qpixmap.pro
@@ -31,5 +31,3 @@ wince*: {
 }
 
 RESOURCES += qpixmap.qrc
-
-CONFIG += insignificant_test # QTBUG-21402