diff --git a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkDiffusionSignalModel.h b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkDiffusionSignalModel.h
index e07c2c861f..f11b07d7c8 100644
--- a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkDiffusionSignalModel.h
+++ b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkDiffusionSignalModel.h
@@ -1,89 +1,90 @@
 /*===================================================================
 
 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 _MITK_DiffusionSignalModel_H
 #define _MITK_DiffusionSignalModel_H
 
 #include <FiberTrackingExports.h>
 #include <itkVariableLengthVector.h>
 #include <itkVector.h>
 #include <vnl/vnl_vector_fixed.h>
 
 namespace mitk {
 
 /**
   * \brief Abstract class for diffusion signal models
   *
   */
 
 template< class ScalarType >
 class DiffusionSignalModel
 {
 public:
 
     DiffusionSignalModel()
         : m_T2(100)
         , m_Weight(1)
     {}
     ~DiffusionSignalModel(){}
 
     typedef itk::VariableLengthVector< ScalarType > PixelType;
     typedef itk::Vector<double,3>                   GradientType;
     typedef std::vector<GradientType>               GradientListType;
 
     /** Realizes actual signal generation. Has to be implemented in subclass. **/
     virtual PixelType SimulateMeasurement() = 0;
     void SetFiberDirection(GradientType fiberDirection){ m_FiberDirection = fiberDirection; }
     void SetGradientList(GradientListType gradientList) { m_GradientList = gradientList; }
     void SetT2(double T2) { m_T2 = T2; }
     void SetWeight(double Weight) { m_Weight = Weight; }
 
     double GetWeight() { return m_Weight; }
     double GetT2() { return m_T2; }
     int GetNumGradients(){ return m_GradientList.size(); }
     std::vector< int > GetBaselineIndices()
     {
         std::vector< int > result;
         for( unsigned int i=0; i<this->m_GradientList.size(); i++)
             if (m_GradientList.at(i).GetNorm()<0.0001)
                 result.push_back(i);
         return result;
     }
     int GetFirstBaselineIndex()
     {
         for( unsigned int i=0; i<this->m_GradientList.size(); i++)
             if (m_GradientList.at(i).GetNorm()<0.0001)
                 return i;
         return -1;
     }
     bool IsBaselineIndex(int idx)
     {
         if (m_GradientList.size()>idx && m_GradientList.at(idx).GetNorm()<0.0001)
             return true;
+        return false;
     }
 
 protected:
 
     GradientType        m_FiberDirection;   ///< Needed to generate anisotropc signal to determin direction of anisotropy
     GradientListType    m_GradientList;     ///< Diffusion gradient direction container
     double              m_T2;               ///< Tissue specific relaxation time
     double              m_Weight;
 };
 
 }
 
 #endif