diff --git a/Utilities/IpSegmentation/ipSegmentationError.h b/Utilities/IpSegmentation/ipSegmentationError.h
index 864218516f..a953917237 100644
--- a/Utilities/IpSegmentation/ipSegmentationError.h
+++ b/Utilities/IpSegmentation/ipSegmentationError.h
@@ -1,37 +1,38 @@
 /*============================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center (DKFZ)
 All rights reserved.
 
 Use of this source code is governed by a 3-clause BSD license that can be
 found in the LICENSE file.
 
 ============================================================================*/
 #ifndef IPSEGMENTATION_ERROR_H
 #define IPSEGMENTATION_ERROR_H
+#include "mitkIpPic.h"
 
 enum {
   ipMITKSegmentationOK = 0     /*! No errors at all. */,
   ipMITKSegmentationOUT_OF_MEMORY  /*! Not enough memory available. */,
   ipMITKSegmentationWRONG_TYPE  /*! Segmentation image has a wrong type. */,
   ipMITKSegmentationUNDO_DISABLED  /*! Undo cannot be performed. */,
   ipMITKSegmentationPIC_NULL    /*! PIC descriptor is null. */,
   ipMITKSegmentationUNKNOWN_ERROR  /*! Some unknown error occurred. */
 };
 
 /*!
 \brief Prints an error message and exits
 if an error has occurred.
 @param error error code
 */
 void ipMITKSegmentationError (int error);
 
 /*!
 \brief Checks the segmentation image.
 @param segmentation the segmentation image.
 */
 void ipMITKSegmentationCheck (mitkIpPicDescriptor* segmentation);
 
 #endif