diff --git a/Modules/Multilabel/autoload/IO/mitkDICOMSegmentationIO.h b/Modules/Multilabel/autoload/IO/mitkDICOMSegmentationIO.h
index 9cc7fb6726..fc601957aa 100644
--- a/Modules/Multilabel/autoload/IO/mitkDICOMSegmentationIO.h
+++ b/Modules/Multilabel/autoload/IO/mitkDICOMSegmentationIO.h
@@ -1,64 +1,65 @@
 /*===================================================================
 
 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 __mitkDICOMSegmentationIO_h
 #define __mitkDICOMSegmentationIO_h
 
 #include <mitkAbstractFileIO.h>
 #include <mitkLabelSetImage.h>
+#include "MitkMultilabelIOExports.h"
 
 namespace mitk
 {
   /**
   * Writes a LabelSetImage to a dcm file
   * @ingroup Process
   */
-  class DICOMSegmentationIO : public mitk::AbstractFileIO
+  class MITKMULTILABELIO_EXPORT DICOMSegmentationIO : public mitk::AbstractFileIO
   {
   public:
     typedef mitk::LabelSetImage InputType;
     typedef itk::Image<unsigned short, 3> itkInputImageType;
     typedef itk::Image<short, 3> itkInternalImageType;
 
     DICOMSegmentationIO();
 
     // -------------- AbstractFileReader -------------
 
     using AbstractFileReader::Read;
     /**
     * @brief Reads a number of DICOM segmentation from the file system
     * @return a vector of mitk::LabelSetImages
     * @throws throws an mitk::Exception if an error ocurrs
     */
     virtual std::vector<BaseData::Pointer> Read() override;
     virtual ConfidenceLevel GetReaderConfidenceLevel() const override;
 
     // -------------- AbstractFileWriter -------------
 
     virtual void Write() override;
     virtual ConfidenceLevel GetWriterConfidenceLevel() const override;
 
     // -------------- DICOMSegmentationIO specific functions -------------
 
     const std::string CreateMetaDataJsonFile(int layer);
     //const  std::map<itkInternalImageType::PixelType, itkInternalImageType::Pointer> GetImagesFromLayer(Image::Pointer layerImage);
 
   private:
     DICOMSegmentationIO *IOClone() const override;
   };
 } // end of namespace mitk
 
 #endif // __mitkDICOMSegmentationIO_h