diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp
index 347cfbc9fcd..24e2700fa7a 100644
--- a/src/widgets/kernel/qwidget.cpp
+++ b/src/widgets/kernel/qwidget.cpp
@@ -10871,8 +10871,10 @@ void QWidget::setParent(QWidget *parent, Qt::WindowFlags f)
                     recreate = true;
             }
             if (recreate) {
+                auto oldState = d->windowHandle(QWidgetPrivate::WindowHandleMode::Closest)->windowState();
                 newtlw->destroy();
                 newtlw->create();
+                d->windowHandle(QWidgetPrivate::WindowHandleMode::Closest)->setWindowState(oldState);
             }
         }
     }