diff --git a/Packages/Cartesian_kernel/changes.txt b/Packages/Cartesian_kernel/changes.txt
index 0c0212d0269..c4a8e7215ac 100644
--- a/Packages/Cartesian_kernel/changes.txt
+++ b/Packages/Cartesian_kernel/changes.txt
@@ -1,3 +1,6 @@
+Version 6.48 (7 January 2002)
+- Make Iso_rectangleC2 only know R::Point_2, not R::Point_2_base.
+
 Version 6.47 (5 January 2002)
 - Move Cartesian_dynamic_d.h to Cd.
 
diff --git a/Packages/Cartesian_kernel/include/CGAL/Cartesian.h b/Packages/Cartesian_kernel/include/CGAL/Cartesian.h
index dcb92ed7000..5cd0d3ae659 100644
--- a/Packages/Cartesian_kernel/include/CGAL/Cartesian.h
+++ b/Packages/Cartesian_kernel/include/CGAL/Cartesian.h
@@ -239,8 +239,7 @@ struct Cartesian
 	                                                Circle_handle_2;
     typedef CGAL::Handle_for<CGAL::Threetuple<CGAL_TYPENAME_MSVC_NULL
 	                     Kernel_base::Point_2> >    Triangle_handle_2;
-    typedef CGAL::Handle_for<CGAL::Twotuple<CGAL_TYPENAME_MSVC_NULL
-	                     Kernel_base::Point_2> >    Iso_rectangle_handle_2;
+    typedef CGAL::Handle_for<CGAL::Twotuple<Point_2> >  Iso_rectangle_handle_2;
     typedef CGAL::Handle_for_virtual< Aff_transformation_rep_baseC2<Self> >
 			                           Aff_transformation_handle_2;
 
diff --git a/Packages/Cartesian_kernel/include/CGAL/Cartesian/Iso_rectangle_2.h b/Packages/Cartesian_kernel/include/CGAL/Cartesian/Iso_rectangle_2.h
index e69f1a139fc..03a4c859a56 100644
--- a/Packages/Cartesian_kernel/include/CGAL/Cartesian/Iso_rectangle_2.h
+++ b/Packages/Cartesian_kernel/include/CGAL/Cartesian/Iso_rectangle_2.h
@@ -33,7 +33,7 @@ class Iso_rectangleC2 CGAL_ADVANCED_KERNEL_PARTIAL_SPEC
   typedef typename R_::Iso_rectangle_handle_2    base;
   typedef typename base::element_type            rep;
 
-  typedef typename R_::Kernel_base::Point_2              Point_2;
+  typedef typename R_::Point_2              Point_2;
   typedef typename R_::Kernel_base::Aff_transformation_2 Aff_transformation_2;
 
 public:
@@ -50,14 +50,14 @@ public:
     if (p.y() < q.y()) { miny = p.y(); maxy = q.y(); }
     else               { miny = q.y(); maxy = p.y(); }
     initialize_with(rep(Point_2(minx, miny),
-	                                Point_2(maxx, maxy)));
+	                Point_2(maxx, maxy)));
   }
 
   Iso_rectangleC2(const FT& min_x, const FT& min_y, 
                   const FT& max_x, const FT& max_y)
   {
     initialize_with(rep(Point_2(min_x, min_y),
-	                                Point_2(max_x, max_y)));
+	                Point_2(max_x, max_y)));
   }
 
   Iso_rectangleC2(const FT& min_hx, const FT& min_hy, 
@@ -65,10 +65,10 @@ public:
   {
     if (hw == FT(1))
        initialize_with(rep(Point_2(min_hx, min_hy),
-	                                   Point_2(max_hx, max_hy)));
+	                   Point_2(max_hx, max_hy)));
     else
        initialize_with(rep(Point_2(min_hx/hw, min_hy/hw),
-	                                   Point_2(max_hx/hw, max_hy/hw)));
+	                   Point_2(max_hx/hw, max_hy/hw)));
   }
 
   bool            operator==(const Iso_rectangleC2 &s) const;
diff --git a/Packages/Cartesian_kernel/include/CGAL/Simple_cartesian.h b/Packages/Cartesian_kernel/include/CGAL/Simple_cartesian.h
index c83b9b1401d..80e7effb927 100644
--- a/Packages/Cartesian_kernel/include/CGAL/Simple_cartesian.h
+++ b/Packages/Cartesian_kernel/include/CGAL/Simple_cartesian.h
@@ -252,8 +252,7 @@ struct Simple_cartesian
     typedef CGAL::Simple_Handle_for<CGAL::Threetuple<
 	                     CGAL_TYPENAME_MSVC_NULL Kernel_base::Point_2> >
                                                        	Triangle_handle_2;
-    typedef CGAL::Simple_Handle_for<CGAL::Twotuple<
-	                       CGAL_TYPENAME_MSVC_NULL Kernel_base::Point_2> >
+    typedef CGAL::Simple_Handle_for<CGAL::Twotuple<Point_2> >
                                                  	Iso_rectangle_handle_2;
     typedef CGAL::Handle_for_virtual< Aff_transformation_rep_baseC2<Self> >
 			                           Aff_transformation_handle_2;