diff --git a/Testing/Code/Common/otbGenericInterpolateImageFunctionNew.cxx b/Testing/Code/Common/otbGenericInterpolateImageFunctionNew.cxx
index 2651b2697fc45139d17e3f72e3fd64157e3b990d..c72d31d287a5da5f0be1f193d6e715f6565872d9 100644
--- a/Testing/Code/Common/otbGenericInterpolateImageFunctionNew.cxx
+++ b/Testing/Code/Common/otbGenericInterpolateImageFunctionNew.cxx
@@ -28,7 +28,7 @@ class SameFunction
 {
 public:
   void SetRadius(unsigned int rad){ m_Radius = rad; };
-  unsigned int GatRadius(){ return m_Radius; };
+  unsigned int GetRadius() const { return m_Radius; };
   inline TOutput operator()( const TInput & A ) const
     { 
       return static_cast<TOutput>(A);