diff --git a/Modules/OpenCL/mitkOclDataSet.h b/Modules/OpenCL/mitkOclDataSet.h
index 123e39a7a9..1bc5dcadde 100644
--- a/Modules/OpenCL/mitkOclDataSet.h
+++ b/Modules/OpenCL/mitkOclDataSet.h
@@ -1,135 +1,134 @@
 /*===================================================================
 
 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 __mitkOclDataSet_h
 #define __mitkOclDataSet_h
 
 #define GPU_DATA 0
 #define CPU_DATA 1
 
 #include <mitkImage.h>
 #include "MitkOpenCLExports.h"
 
 #include "mitkOclBaseData.h"
 #include "mitkOpenCLActivator.h"
 
 #include <mitkException.h>
 
 namespace mitk {
 
 /*!
  * \brief Class implementing processing of arbitrary data sets for GPU Image Processing
   *
   *  The class holds a pointer to the data stored in RAM and performs an
   *  on-demand-copy to the graphics memory. It is the basic data structure for all
   *  mitk::oclDataSetToDataSetFilter classes
   */
 class MITKOPENCL_EXPORT OclDataSet : public OclBaseData
 {
 public:
   mitkClassMacro(OclDataSet, OclBaseData);
   itkFactorylessNewMacro(Self)
   itkCloneMacro(Self)
 
   /*!  \brief Copies the RAM-stored data to GMEM */
   virtual int TransferDataToGPU(cl_command_queue);
 
   /*! \brief Copies the in GMEM stored data to RAM */
   virtual void* TransferDataToCPU(cl_command_queue);
 
   /*! \brief Returns the pointer to the referenced data */
   void* GetData()
   {
     return m_Data;
   }
 
   /** Returns the pointer to the GPU buffer */
   cl_mem GetGPUBuffer();
 
   /** Create the GPU buffer for image
       *
       */
   cl_mem CreateGPUBuffer();
 
   /** \brief Returns the status of the image buffer
      *
      * @param _type The flag to specify the buffer type ( GPU / CPU )
      */
   bool IsModified(int _type);
 
   using OclBaseData::Modified;
 
   /** \brief Set the modified flag for one of the buffers
      *
      * @param _type The flag to specify the buffer type ( GPU / CPU )
      */
   void Modified(int _type);
 
   /** \brief Initialze the OclDataSet with data. */
   void SetData(void* data)
   {
     this->m_cpuModified = true;
     this->m_gpuModified = false;
     m_Data = data;
   }
 
   /*! \brief returns the amount of elements in the DataSet */
   int GetBufferSize() const
   {
     return this->m_bufferSize;
   }
 
   short GetBytesPerElement() const
   {
     return this->m_BpE;
   }
 
   /** @brief Set the amount of elements in buffer*/
   void SetBufferSize(unsigned int size);
 
   /** @brief Set the DataSet memory Size per Element in Bytes*/
   void SetBpE(unsigned short BpE);
 
 protected:
   /*! \brief Constructor */
   OclDataSet();
 
   /** @brief Destructor */
   virtual ~OclDataSet();
 
   /*! GMEM Image buffer */
   cl_mem m_gpuBuffer;
 
   /*! GPU Context the Buffer was created in, needed for access */
   cl_context m_context;
 
 private:
+  /*! GMEM Buffer Size in elements*/
+  unsigned int m_bufferSize;
 
   bool m_gpuModified;
   bool m_cpuModified;
 
   /*! Reference to the data */
   void* m_Data;
 
-  /*! GMEM Buffer Size in elements*/
-  unsigned int m_bufferSize;
-
   /*! Bytes per Element in Buffer*/
   unsigned short m_BpE;
 };
 
 }
 #endif //__mitkOclDataSet_h