diff --git a/Packages/Spatial_searching/test/Spatial_searching/Kdtree_example3.C b/Packages/Spatial_searching/test/Spatial_searching/Kdtree_example3.C
index 8931edd8f2b..42dcbc6f5e7 100755
--- a/Packages/Spatial_searching/test/Spatial_searching/Kdtree_example3.C
+++ b/Packages/Spatial_searching/test/Spatial_searching/Kdtree_example3.C
@@ -97,12 +97,23 @@ public:
 };
 
 namespace CGAL {
+#ifndef CGAL_CFG_NO_PARTIAL_CLASS_TEMPLATE_SPECIALISATION
   // Specialize CGAL::Kernel_traits<> for my point type(s).
   template <int dim>
-  class Kernel_traits < Point_float_d<dim> > {
+  struct Kernel_traits < Point_float_d<dim> > {
     public:
     typedef My_kernel<dim> Kernel;
   };
+#else
+  //for compilers that doesn't support partial specialization
+  //of class templates we provide the full specialization for
+  //the specific types used
+  template <>
+  struct Kernel_traits < Point_float_d<4> > {
+    public:
+    typedef My_kernel<4> Kernel;
+  };
+#endif
 }
 
 typedef Point_float_d<4>  point;
@@ -181,3 +192,4 @@ int main()
 
   return 0;
 }
+