diff --git a/Modules/OpenViewCore/include/QVTKFramebufferObjectRenderer.h b/Modules/OpenViewCore/include/QVTKFramebufferObjectRenderer.h
index 3fba37532b..492d09cff3 100644
--- a/Modules/OpenViewCore/include/QVTKFramebufferObjectRenderer.h
+++ b/Modules/OpenViewCore/include/QVTKFramebufferObjectRenderer.h
@@ -1,50 +1,50 @@
 /*===================================================================
 
  The Medical Imaging Interaction Toolkit (MITK)
 
  Copyright (c) German Cancer Research Center,
  Division of Medical and Biological Informatics.
  All rights reserved.
 
  This software is distributed WITHOUT ANY WARRANTY; without
  even the implied warranty of MERCHANTABILITY or FITNESS FOR
  A PARTICULAR PURPOSE.
 
  See LICENSE.txt or http://www.mitk.org for details.
 
  ===================================================================*/
 
 #ifndef __QVTKFramebufferObjectRenderer_h
 #define __QVTKFramebufferObjectRenderer_h
 
 #include <QQuickFramebufferObject>
 
 #include "QVTKQuickItem.h"
 
 #include <MitkOpenViewCoreExports.h>
 
 class vtkInternalOpenGLRenderWindow;
 
 //! Part of Qml rendering prototype, see QmlMitkRenderWindowItem.
 class MITKOPENVIEWCORE_EXPORT QVTKFramebufferObjectRenderer : public QQuickFramebufferObject::Renderer
 {
 public:
+  vtkInternalOpenGLRenderWindow *m_vtkRenderWindow;
   bool m_neverRendered;
   bool m_readyToRender;
-  vtkInternalOpenGLRenderWindow *m_vtkRenderWindow;
 
   QVTKQuickItem *m_vtkQuickItem;
 
 public:
   QVTKFramebufferObjectRenderer(vtkInternalOpenGLRenderWindow *rw);
   ~QVTKFramebufferObjectRenderer();
 
   virtual void synchronize(QQuickFramebufferObject * item);
   virtual void render();
 
   QOpenGLFramebufferObject *createFramebufferObject(const QSize &size);
 
   friend class vtkInternalOpenGLRenderWindow;
 };
 
 #endif