diff --git a/Core/Code/DataManagement/mitkAnnotationProperty.h b/Core/Code/DataManagement/mitkAnnotationProperty.h
index 335f812849..d87976acd3 100644
--- a/Core/Code/DataManagement/mitkAnnotationProperty.h
+++ b/Core/Code/DataManagement/mitkAnnotationProperty.h
@@ -1,78 +1,79 @@
 /*=========================================================================
 
 Program:   Medical Imaging & Interaction Toolkit
 Language:  C++
 Date:      $Date: 2008-04-14 19:45:53 +0200 (Mo, 14 Apr 2008) $
 Version:   $Revision: 14081 $
 
 Copyright (c) German Cancer Research Center, Division of Medical and
 Biological Informatics. All rights reserved.
 See MITKCopyright.txt or http://www.mitk.org/copyright.html for details.
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notices for more information.
 
 =========================================================================*/
 
 
 #ifndef MITKANNOTATIONPROPERTY_H_HEADER_INCLUDED
 #define MITKANNOTATIONPROPERTY_H_HEADER_INCLUDED
 
 #include "mitkCommon.h"
 #include "mitkBaseProperty.h"
 #include "mitkVector.h"
 
 #include <itkConfigure.h>
 
 #include <string>
 
 
 namespace mitk {
 
 /**
  * \brief Property for annotations
  * \ingroup DataManagement
  */
 class MITK_CORE_EXPORT AnnotationProperty : public BaseProperty
 {
 public:
   mitkClassMacro(AnnotationProperty, BaseProperty);
   typedef std::string ValueType;
   
   itkNewMacro( AnnotationProperty );
   mitkNewMacro2Param( AnnotationProperty, 
     const char *, const Point3D & );
   mitkNewMacro2Param( AnnotationProperty, 
     const std::string &, const Point3D & );
   mitkNewMacro4Param( AnnotationProperty,
     const char *, ScalarType, ScalarType, ScalarType );
   mitkNewMacro4Param( AnnotationProperty,
     const std::string &, ScalarType, ScalarType, ScalarType );
   
   itkGetStringMacro( Label );
   itkSetStringMacro( Label );
 
   const Point3D &GetPosition() const;
   void SetPosition( const Point3D &position );
 
   virtual bool operator==(const BaseProperty& property ) const;
   virtual std::string GetValueAsString() const;
+  virtual BaseProperty& operator=(const BaseProperty& other) { return Superclass::operator=(other); } \
 
 
 protected:
 
   std::string m_Label;
   Point3D m_Position;
   
   AnnotationProperty();
   AnnotationProperty( const char *label, const Point3D &position );
   AnnotationProperty( const std::string &label, const Point3D &position );
   AnnotationProperty( const char *label, ScalarType x, ScalarType y, ScalarType z );
   AnnotationProperty( const std::string &label, ScalarType x, ScalarType y, ScalarType z );
 
 };
 
 } // namespace mitk
 
 #endif /* MITKANNOTATIONPROPERTY_H_HEADER_INCLUDED */