diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index 0dd85f2d56a..918c2e0b971 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -1896,9 +1896,11 @@ bool QWindow::event(QEvent *ev)
     case QEvent::Close: {
         Q_D(QWindow);
         bool wasVisible = isVisible();
-        destroy();
-        if (wasVisible)
-            d->maybeQuitOnLastWindowClosed();
+        if (ev->isAccepted()) {
+            destroy();
+            if (wasVisible)
+                d->maybeQuitOnLastWindowClosed();
+        }
         break; }
 
     case QEvent::Expose:
diff --git a/src/gui/kernel/qwindow.h b/src/gui/kernel/qwindow.h
index 79f90f2c626..efdfd497a65 100644
--- a/src/gui/kernel/qwindow.h
+++ b/src/gui/kernel/qwindow.h
@@ -330,6 +330,7 @@ protected:
 
     virtual void showEvent(QShowEvent *);
     virtual void hideEvent(QHideEvent *);
+    // TODO Qt 6 - add closeEvent virtual handler
 
     virtual bool event(QEvent *);
     virtual void keyPressEvent(QKeyEvent *);