diff --git a/Modules/OpenViewCore/src/QVTKFramebufferObjectRenderer.cxx b/Modules/OpenViewCore/src/QVTKFramebufferObjectRenderer.cxx
index 5f652c0a9d..0129eec775 100644
--- a/Modules/OpenViewCore/src/QVTKFramebufferObjectRenderer.cxx
+++ b/Modules/OpenViewCore/src/QVTKFramebufferObjectRenderer.cxx
@@ -1,98 +1,98 @@
 /*===================================================================
 
  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.
 
  ===================================================================*/
 
-#include "vtkInternalOpenglRenderWindow.h"
+#include "vtkInternalOpenGLRenderWindow.h"
 #include "QVTKFramebufferObjectRenderer.h"
 
 #include <QQuickWindow>
 
 #include <vtkgl.h>
 
 #include <vtkCubeSource.h>
 #include <vtkPolyDataMapper.h>
 #include <vtkActor.h>
 #include <vtkRenderer.h>
 #include <vtkProperty.h>
 #include <vtkMutexLock.h>
 
 #include <vtkStructuredPointsReader.h>
 #include <vtkPiecewiseFunction.h>
 #include <vtkColorTransferFunction.h>
 #include <vtkImageClip.h>
 #include <vtkVolumeProperty.h>
 #include <vtkFixedPointVolumeRayCastMapper.h>
 #include <vtkVolume.h>
 
 QVTKFramebufferObjectRenderer::QVTKFramebufferObjectRenderer(vtkInternalOpenGLRenderWindow *rw) :
 m_vtkRenderWindow(rw),
 m_neverRendered(true),
 m_readyToRender(false)
 {
   m_vtkRenderWindow->Register(NULL);
   m_vtkRenderWindow->QtParentRenderer = this;
 }
 
 QOpenGLFramebufferObject* QVTKFramebufferObjectRenderer::createFramebufferObject(const QSize &size)
 {
   QOpenGLFramebufferObjectFormat format;
   format.setAttachment(QOpenGLFramebufferObject::Depth);
   format.setTextureTarget(GL_TEXTURE_2D);
   format.setInternalTextureFormat(GL_RGBA32F_ARB);
   QOpenGLFramebufferObject* fbo = new QOpenGLFramebufferObject(size, format);
   m_vtkRenderWindow->SetFramebufferObject(fbo);
   return fbo;
 }
 
 void QVTKFramebufferObjectRenderer::render()
 {
   if (!m_readyToRender)
   {
     return;
   }
 
   // Ask VTK to render to OpenGL
   m_vtkQuickItem->m_viewLock.lock();
   m_vtkRenderWindow->PushState();
   m_vtkRenderWindow->OpenGLInitState();
   m_vtkRenderWindow->InternalRender();
   m_vtkRenderWindow->OpenGLEndState();
   m_vtkRenderWindow->PopState();
   m_vtkQuickItem->m_viewLock.unlock();
 }
 
 void QVTKFramebufferObjectRenderer::synchronize(QQuickFramebufferObject * item)
 {
   m_vtkQuickItem = static_cast<QVTKQuickItem*>(item);
 
   if (m_neverRendered)
   {
     m_neverRendered = false;
     m_vtkQuickItem->init();
   }
 
   // Execute events (that might call VTK picking to obtain z coordinates)
   // while UI and rendering are synchronized.
   m_vtkQuickItem->processPendingEvents();
 
   // Update MITK mapper list, then mapper outputs
   m_readyToRender = m_vtkQuickItem->prepareForRender();
 }
 
 QVTKFramebufferObjectRenderer::~QVTKFramebufferObjectRenderer()
 {
   m_vtkRenderWindow->QtParentRenderer = 0;
   m_vtkRenderWindow->Delete();
 }