diff --git a/NewKernel_d/include/CGAL/NewKernel_d/Types/Sphere.h b/NewKernel_d/include/CGAL/NewKernel_d/Types/Sphere.h
index f8873666621..1ed3a658b54 100644
--- a/NewKernel_d/include/CGAL/NewKernel_d/Types/Sphere.h
+++ b/NewKernel_d/include/CGAL/NewKernel_d/Types/Sphere.h
@@ -106,7 +106,7 @@ template<class R_> struct Point_of_sphere : private Store_kernel<R_> {
   typedef Point result_type;
   typedef Sphere first_argument_type;
   typedef int second_argument_type;
-  struct Trans : std::binary_function<FT,FT,int> {
+  struct Trans : std::binary_function<FT,int,FT> {
     FT const& r_; int idx; bool sgn;
     Trans (int n, FT const& r, bool b) : r_(r), idx(n), sgn(b) {}
     FT operator()(FT const&x, int i)const{
diff --git a/NewKernel_d/include/CGAL/NewKernel_d/function_objects_cartesian.h b/NewKernel_d/include/CGAL/NewKernel_d/function_objects_cartesian.h
index d7cc4104075..2b64136b5f8 100644
--- a/NewKernel_d/include/CGAL/NewKernel_d/function_objects_cartesian.h
+++ b/NewKernel_d/include/CGAL/NewKernel_d/function_objects_cartesian.h
@@ -796,7 +796,7 @@ template<class R_> struct Midpoint : private Store_kernel<R_> {
 	typedef Point first_argument_type;
 	typedef Point second_argument_type;
 	// There is a division, but it will be cast to RT afterwards anyway, so maybe we could use RT.
-	struct Average : std::binary_function<FT,FT,RT> {
+	struct Average : std::binary_function<FT,RT,FT> {
 		FT operator()(FT const&a, RT const&b)const{
 			return (a+b)/2;
 		}