diff --git a/src/View.h b/src/View.h
index 0c0f7b42..ca67c406 100644
--- a/src/View.h
+++ b/src/View.h
@@ -138,10 +138,10 @@ public:
     virtual void raiseAndActivate() = 0;
     virtual void raise() = 0;
     virtual void activateWindow() = 0;
-    virtual bool isTopLevel() const = 0;
+    virtual bool isRootView() const = 0;
     bool isWindow() const
     {
-        return isTopLevel();
+        return isRootView();
     };
     virtual QPoint mapToGlobal(QPoint) const = 0;
     virtual QPoint mapFromGlobal(QPoint) const = 0;
diff --git a/src/controllers/DockWidget.cpp b/src/controllers/DockWidget.cpp
index b0f72d83..26fecbb6 100644
--- a/src/controllers/DockWidget.cpp
+++ b/src/controllers/DockWidget.cpp
@@ -182,7 +182,7 @@ std::shared_ptr<ViewWrapper> DockWidget::guestView() const
 
 bool DockWidget::isFloating() const
 {
-    if (view()->isTopLevel())
+    if (view()->isRootView())
         return true;
 
     auto fw = floatingWindow();
@@ -394,7 +394,7 @@ QStringList DockWidget::affinities() const
 
 void DockWidget::show()
 {
-    if (view()->isTopLevel() && (d->m_lastPosition->wasFloating() || !d->m_lastPosition->isValid())) {
+    if (view()->isRootView() && (d->m_lastPosition->wasFloating() || !d->m_lastPosition->isValid())) {
         // Create the FloatingWindow already, instead of waiting for the show event.
         // This reduces flickering on some platforms
         d->morphIntoFloatingWindow();
diff --git a/src/private/WidgetResizeHandler.cpp b/src/private/WidgetResizeHandler.cpp
index 20e07238..5bf5ef80 100644
--- a/src/private/WidgetResizeHandler.cpp
+++ b/src/private/WidgetResizeHandler.cpp
@@ -179,7 +179,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
     QRect newGeometry = oldGeometry;
 
     QRect parentGeometry;
-    if (!mTarget->isTopLevel()) {
+    if (!mTarget->isRootView()) {
         auto parent = mTarget->parentView();
         parentGeometry = KDDockWidgets::globalGeometry(parent.get());
     }
@@ -264,7 +264,7 @@ bool WidgetResizeHandler::mouseMoveEvent(QMouseEvent *e)
         return true;
     }
 
-    if (!mTarget->isTopLevel()) {
+    if (!mTarget->isRootView()) {
 
         // Clip to parent's geometry.
         newGeometry = newGeometry.intersected(parentGeometry);
diff --git a/src/qtquick/views/ViewWrapper_qtquick.cpp b/src/qtquick/views/ViewWrapper_qtquick.cpp
index 626f929a..9b126f26 100644
--- a/src/qtquick/views/ViewWrapper_qtquick.cpp
+++ b/src/qtquick/views/ViewWrapper_qtquick.cpp
@@ -74,7 +74,7 @@ std::shared_ptr<Window> ViewWrapper_qtquick::windowHandle() const
     return {};
 }
 
-bool ViewWrapper_qtquick::isTopLevel() const
+bool ViewWrapper_qtquick::isRootView() const
 {
     return {};
 }
diff --git a/src/qtquick/views/ViewWrapper_qtquick.h b/src/qtquick/views/ViewWrapper_qtquick.h
index 61c8ef65..01127fab 100644
--- a/src/qtquick/views/ViewWrapper_qtquick.h
+++ b/src/qtquick/views/ViewWrapper_qtquick.h
@@ -34,7 +34,7 @@ public:
     void move(QPoint) override;
     QPoint mapToGlobal(QPoint) const override;
     QPoint mapFromGlobal(QPoint) const override;
-    bool isTopLevel() const override;
+    bool isRootView() const override;
     bool isVisible() const override;
     void setVisible(bool) override;
     void activateWindow() override;
diff --git a/src/qtquick/views/View_qtquick.h b/src/qtquick/views/View_qtquick.h
index bec0d5c9..a5203ae5 100644
--- a/src/qtquick/views/View_qtquick.h
+++ b/src/qtquick/views/View_qtquick.h
@@ -180,7 +180,7 @@ public:
         return {};
     }
 
-    bool isTopLevel() const override
+    bool isRootView() const override
     {
         return {};
     }
diff --git a/src/qtwidgets/views/ViewWrapper_qtwidgets.cpp b/src/qtwidgets/views/ViewWrapper_qtwidgets.cpp
index dbe5e1c8..675b756d 100644
--- a/src/qtwidgets/views/ViewWrapper_qtwidgets.cpp
+++ b/src/qtwidgets/views/ViewWrapper_qtwidgets.cpp
@@ -145,7 +145,7 @@ std::shared_ptr<Window> ViewWrapper_qtwidgets::windowHandle() const
     return nullptr;
 }
 
-bool ViewWrapper_qtwidgets::isTopLevel() const
+bool ViewWrapper_qtwidgets::isRootView() const
 {
     return m_widget->isTopLevel();
 }
diff --git a/src/qtwidgets/views/ViewWrapper_qtwidgets.h b/src/qtwidgets/views/ViewWrapper_qtwidgets.h
index 190f6754..14fe4544 100644
--- a/src/qtwidgets/views/ViewWrapper_qtwidgets.h
+++ b/src/qtwidgets/views/ViewWrapper_qtwidgets.h
@@ -34,7 +34,7 @@ public:
     void move(QPoint) override;
     QPoint mapToGlobal(QPoint) const override;
     QPoint mapFromGlobal(QPoint) const override;
-    bool isTopLevel() const override;
+    bool isRootView() const override;
     bool isVisible() const override;
     void setVisible(bool) override;
     void activateWindow() override;
diff --git a/src/qtwidgets/views/View_qtwidgets.h b/src/qtwidgets/views/View_qtwidgets.h
index bb374cc7..05e3d966 100644
--- a/src/qtwidgets/views/View_qtwidgets.h
+++ b/src/qtwidgets/views/View_qtwidgets.h
@@ -220,9 +220,9 @@ public:
         Base::window()->raise();
     }
 
-    bool isTopLevel() const override
+    bool isRootView() const override
     {
-        return QWidget::isTopLevel();
+        return QWidget::isWindow();
     }
 
     QPoint mapToGlobal(QPoint localPt) const override
diff --git a/tests/tst_docks.cpp b/tests/tst_docks.cpp
index f801986a..696bc7d8 100644
--- a/tests/tst_docks.cpp
+++ b/tests/tst_docks.cpp
@@ -164,7 +164,7 @@ void TestDocks::tst_restoreSimple()
     auto fw2 = dock2->floatingWindow();
     QVERIFY(fw2);
     QVERIFY(fw2->isVisible());
-    QVERIFY(fw2->view()->isTopLevel());
+    QVERIFY(fw2->view()->isRootView());
     QCOMPARE(fw2->pos(), dock2FloatingPoint);
     QVERIFY(m->view()->windowHandle()->equals(fw2->view()->windowHandle()->transientParent()));
     QVERIFY(dock2->isFloating());