diff --git a/Modules/QtWidgetsExt/QmitkSelectableGLWidget.cpp b/Modules/QtWidgetsExt/QmitkSelectableGLWidget.cpp
index 04b9915e69..7de0233445 100644
--- a/Modules/QtWidgetsExt/QmitkSelectableGLWidget.cpp
+++ b/Modules/QtWidgetsExt/QmitkSelectableGLWidget.cpp
@@ -1,106 +1,112 @@
 /*===================================================================
 
 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 "QmitkSelectableGLWidget.h"
 #include "QmitkRenderWindow.h"
 
 #include <QWheelEvent>
 
 QmitkSelectableGLWidget::QmitkSelectableGLWidget(QWidget* parent)
-  : QWidget(parent)
+  : QWidget(parent),
+    m_Ui(new Ui::QmitkSelectableGLWidget)
 {
-  setupUi(this);
+  m_Ui->setupUi(this);
   QLayout *hlayout;
-  hlayout=layout();
+  hlayout=m_Ui->hboxLayout;
   hlayout->setMargin(3);
 
   QString rendererName("Renderer::");
   rendererName += objectName();
 
   // create Renderer
   m_Renderer= mitk::VtkPropRenderer::New( qPrintable(rendererName), NULL, mitk::RenderingManager::GetInstance(),mitk::BaseRenderer::RenderingMode::Standard );
 
   // create widget
   QString composedName("QSGLWt::");
   if(!objectName().isEmpty())
       composedName+=objectName();
   else
       composedName+="QmitkGLWidget";
   /*
   * here is the place to define QT-Flags to enable and disable certain OpenGL elements, like StencilBuffer, RGBA and so on.
   * See QGLFormat for futher informations
   * QGL::AlphaChannel: Enable Alpha in Framebuffer
   * QGL::Rgba enable use of rgba rather than color_index
   * QGL::StencilBuffer for use of stencilbuffer in OpenGL
   */
   m_RenderWindow = new QmitkRenderWindow(this, composedName,m_Renderer);
 
   hlayout->addWidget(m_RenderWindow);
 }
 
+QmitkSelectableGLWidget::~QmitkSelectableGLWidget()
+{
+  delete m_Ui;
+}
+
 mitk::VtkPropRenderer* QmitkSelectableGLWidget::GetRenderer()
 {
   return m_Renderer.GetPointer();
 }
 
 QmitkRenderWindow* QmitkSelectableGLWidget::GetRenderWindow() const
 {
   return m_RenderWindow;
 }
 
 void QmitkSelectableGLWidget::wheelEvent( QWheelEvent * e )
 {
   if ( m_RenderWindow->GetSliceNavigationController()->GetSliceLocked() )
     return;
 
   mitk::Stepper* stepper = m_RenderWindow
     ->GetSliceNavigationController()->GetSlice();
 
   if (stepper->GetSteps() <= 1)
   {
     stepper = m_RenderWindow->GetSliceNavigationController()->GetTime();
   }
 
   if (e->orientation() * e->delta()  > 0)
   {
     stepper->Next();
   }
   else
   {
     stepper->Previous();
   }
 }
 
 mitk::SliceNavigationController*
 QmitkSelectableGLWidget
 ::GetSliceNavigationController() const
 {
   return m_RenderWindow->GetSliceNavigationController();
 }
 
 mitk::CameraRotationController*
 QmitkSelectableGLWidget
 ::GetCameraRotationController() const
 {
   return m_RenderWindow->GetCameraRotationController();
 }
 
 mitk::BaseController*
 QmitkSelectableGLWidget
 ::GetController() const
 {
   return m_RenderWindow->GetController();
 }
diff --git a/Modules/QtWidgetsExt/QmitkSelectableGLWidget.h b/Modules/QtWidgetsExt/QmitkSelectableGLWidget.h
index 35e8a9059a..0cf9a38586 100644
--- a/Modules/QtWidgetsExt/QmitkSelectableGLWidget.h
+++ b/Modules/QtWidgetsExt/QmitkSelectableGLWidget.h
@@ -1,49 +1,54 @@
 /*===================================================================
 
 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 QMITKSELECTABLEGLWIDGET_H
 #define QMITKSELECTABLEGLWIDGET_H
 
 #include "ui_QmitkSelectableGLWidget.h"
 #include "mitkCameraRotationController.h"
 #include "mitkCommon.h"
 #include "mitkSliceNavigationController.h"
 #include "mitkVtkPropRenderer.h"
 #include <MitkQtWidgetsExtExports.h>
 
 #include <mitkCommon.h>
 
 #include <QWidget>
 
 class QmitkRenderWindow;
 
-class MitkQtWidgetsExt_EXPORT QmitkSelectableGLWidget : public QWidget, public Ui::QmitkSelectableGLWidget
+class MitkQtWidgetsExt_EXPORT QmitkSelectableGLWidget : public QWidget
 {
+  Q_OBJECT
+
   public:
   QmitkSelectableGLWidget(QWidget* parent=0);
+  ~QmitkSelectableGLWidget();
   mitk::VtkPropRenderer* GetRenderer();
   QmitkRenderWindow* GetRenderWindow() const;
   mitk::SliceNavigationController*  GetSliceNavigationController() const;
   mitk::CameraRotationController* GetCameraRotationController() const;
   mitk::BaseController* GetController() const;
   protected:
   void wheelEvent( QWheelEvent * e );
     QmitkRenderWindow *m_RenderWindow;
     mitk::VtkPropRenderer::Pointer m_Renderer;
+  private:
+  Ui::QmitkSelectableGLWidget* m_Ui;
 };
 
 #endif