diff --git a/HalfedgeDS/include/CGAL/boost/graph/graph_traits_HalfedgeDS_default.h b/HalfedgeDS/include/CGAL/boost/graph/graph_traits_HalfedgeDS_default.h
index aaddbbe254a..05346c0aac7 100644
--- a/HalfedgeDS/include/CGAL/boost/graph/graph_traits_HalfedgeDS_default.h
+++ b/HalfedgeDS/include/CGAL/boost/graph/graph_traits_HalfedgeDS_default.h
@@ -32,7 +32,7 @@ namespace CGAL {
 template <class Traits_, class HalfedgeDSItems, 
           class Alloc>
 class HalfedgeDS_default;
-}; // namespace CGAL
+} // namespace CGAL
 
 namespace boost {