diff --git a/include/vcl/menu.hxx b/include/vcl/menu.hxx
index b60cdc42b39b..36259d5ffb7f 100644
--- a/include/vcl/menu.hxx
+++ b/include/vcl/menu.hxx
@@ -421,7 +421,7 @@ class VCL_DLLPUBLIC MenuBar final : public Menu
     friend class MenuBarWindow;
     friend class SystemWindow;
 
-    SAL_DLLPRIVATE static VclPtr<vcl::Window> ImplCreate(vcl::Window* pParent, vcl::Window* pWindow, MenuBar* pMenu);
+    SAL_DLLPRIVATE static VclPtr<MenuBarWindow> ImplCreate(vcl::Window* pParent, MenuBarWindow* pWindow, MenuBar* pMenu);
     SAL_DLLPRIVATE static void ImplDestroy(MenuBar* pMenu, bool bDelete);
     SAL_DLLPRIVATE bool ImplHandleKeyEvent(const KeyEvent& rKEvent);
     SAL_DLLPRIVATE bool ImplHandleCmdEvent(const CommandEvent& rCEvent);
diff --git a/vcl/source/window/menu.cxx b/vcl/source/window/menu.cxx
index ff6581d207a9..6bc427ba28f3 100644
--- a/vcl/source/window/menu.cxx
+++ b/vcl/source/window/menu.cxx
@@ -2483,9 +2483,9 @@ void MenuBar::SetDisplayable( bool bDisplayable )
     }
 }
 
-VclPtr<vcl::Window> MenuBar::ImplCreate(vcl::Window* pParent, vcl::Window* pWindow, MenuBar* pMenu)
+VclPtr<MenuBarWindow> MenuBar::ImplCreate(vcl::Window* pParent, MenuBarWindow* pWindow, MenuBar* pMenu)
 {
-    VclPtr<MenuBarWindow> pMenuBarWindow = dynamic_cast<MenuBarWindow*>(pWindow);
+    VclPtr<MenuBarWindow> pMenuBarWindow = pWindow;
     if (!pMenuBarWindow)
     {
         pMenuBarWindow = VclPtr<MenuBarWindow>::Create(pParent);
diff --git a/vcl/source/window/syswin.cxx b/vcl/source/window/syswin.cxx
index d4e1f9e51997..e92806e739fe 100644
--- a/vcl/source/window/syswin.cxx
+++ b/vcl/source/window/syswin.cxx
@@ -19,6 +19,8 @@
 
 #include <memory>
 
+#include "menubarwindow.hxx"
+
 #include <o3tl/safeint.hxx>
 #include <sal/config.h>
 #include <sal/log.hxx>
@@ -844,14 +846,14 @@ void SystemWindow::SetMenuBar(MenuBar* pMenuBar)
         return;
 
     MenuBar* pOldMenuBar = mpMenuBar;
-    vcl::Window*  pOldWindow = nullptr;
-    VclPtr<vcl::Window> pNewWindow;
+    MenuBarWindow*  pOldWindow = nullptr;
+    VclPtr<MenuBarWindow> pNewWindow;
     mpMenuBar = pMenuBar;
 
     if ( mpWindowImpl->mpBorderWindow && (mpWindowImpl->mpBorderWindow->GetType() == WindowType::BORDERWINDOW) )
     {
         if ( pOldMenuBar )
-            pOldWindow = pOldMenuBar->GetWindow();
+            pOldWindow = pOldMenuBar->getMenuBarWindow();
         else
             pOldWindow = nullptr;
         if ( pOldWindow )
@@ -888,9 +890,9 @@ void SystemWindow::SetMenuBar(MenuBar* pMenuBar)
     else
     {
         if( pMenuBar )
-            pNewWindow = pMenuBar->GetWindow();
+            pNewWindow = pMenuBar->getMenuBarWindow();
         if( pOldMenuBar )
-            pOldWindow = pOldMenuBar->GetWindow();
+            pOldWindow = pOldMenuBar->getMenuBarWindow();
     }
 
     // update taskpane list to make menubar accessible