diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 062ff92c0ec..bfef2d2cb0d 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -792,6 +792,7 @@ bool QApplication::compressEvent(QEvent *event, QObject *receiver, QPostEventLis
     const QEvent::Type type = event->type();
     switch (type) {
     case QEvent::UpdateRequest:
+    case QEvent::UpdateLater:
     case QEvent::LayoutRequest:
     case QEvent::Resize:
     case QEvent::Move:
@@ -820,6 +821,10 @@ bool QApplication::compressEvent(QEvent *event, QObject *receiver, QPostEventLis
             static_cast<QMoveEvent *>(postedEvent.event)->m_pos =
                 static_cast<const QMoveEvent *>(event)->pos();
             break;
+        case QEvent::UpdateLater:
+            static_cast<QUpdateLaterEvent *>(postedEvent.event)->m_region +=
+                static_cast<const QUpdateLaterEvent *>(event)->region();
+            break;
         case QEvent::UpdateRequest:
         case QEvent::LanguageChange:
         case QEvent::LayoutRequest:
diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index 07153e71293..8a86b069a0e 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -82,6 +82,7 @@ public:
     inline const QRegion &region() const { return m_region; }
 
 protected:
+    friend class QApplication;
     QRegion m_region;
 };