diff --git a/Packages/H3/changes.txt b/Packages/H3/changes.txt
index 6e045e2b9bd..bb6771ee1e8 100644
--- a/Packages/H3/changes.txt
+++ b/Packages/H3/changes.txt
@@ -1,5 +1,7 @@
-2.54
-- Added coordinate iterator
+2.54   (22 January 2003)
+- Add coordinate iterator
+- Add new constructor Iso_cuboid_3(left, right, bottom, top, far, close).
+- Fixes for newer GCC.
 
 2.53   (20 January 2003)
 - Remove #ifdef CGAL_CFG_TYPENAME_BUG stuff, as VC6 is not supported anymore.
diff --git a/Packages/H3/include/CGAL/Homogeneous/Iso_cuboidH3.h b/Packages/H3/include/CGAL/Homogeneous/Iso_cuboidH3.h
index 94464cc4a40..6765f10daa6 100644
--- a/Packages/H3/include/CGAL/Homogeneous/Iso_cuboidH3.h
+++ b/Packages/H3/include/CGAL/Homogeneous/Iso_cuboidH3.h
@@ -48,6 +48,10 @@ public:
 
   Iso_cuboidH3(const Point_3& p, const Point_3& q);
 
+  Iso_cuboidH3(const Point_3& left,   const Point_3& right,
+               const Point_3& bottom, const Point_3& top,
+               const Point_3& far,    const Point_3& close);
+
   Iso_cuboidH3(const RT& min_hx, const RT& min_hy, const RT& min_hz,
                const RT& max_hx, const RT& max_hy, const RT& max_hz, 
                const RT& hw);
@@ -138,6 +142,29 @@ Iso_cuboidH3(const typename Iso_cuboidH3<R>::Point_3& p,
                          Point_3(maxx, maxy, maxz, maxw) ));
 }
 
+template < class R >
+CGAL_KERNEL_LARGE_INLINE
+Iso_cuboidH3<R>::
+Iso_cuboidH3(const typename Iso_cuboidH3<R>::Point_3& left,
+             const typename Iso_cuboidH3<R>::Point_3& right,
+             const typename Iso_cuboidH3<R>::Point_3& bottom,
+             const typename Iso_cuboidH3<R>::Point_3& top,
+             const typename Iso_cuboidH3<R>::Point_3& far,
+             const typename Iso_cuboidH3<R>::Point_3& close)
+  : base(rep(Point_3(left.hx()   * bottom.hw() * far.hw(),
+                     bottom.hy() * left.hw()   * far.hw(),
+                     far.hz()    * left.hw()   * bottom.hw(),
+                     left.hw()   * bottom.hw() * far.hw()),
+             Point_3(right.hx()  * top.hw()   * close.hw(),
+                     top.hy()    * right.hw() * close.hw(),
+                     close.hz()  * right.hw() * top.hw(),
+                     right.hw()  * top.hw()   * close.hw())))
+{
+  CGAL_kernel_precondition(!less_x(right, left));
+  CGAL_kernel_precondition(!less_y(top, bottom));
+  CGAL_kernel_precondition(!less_z(close, far));
+}
+
 template < class R >
 CGAL_KERNEL_LARGE_INLINE
 Iso_cuboidH3<R>::