diff --git a/Alpha_shapes_3/include/CGAL/Alpha_shape_3.h b/Alpha_shapes_3/include/CGAL/Alpha_shape_3.h
index 836af9f7201..aa690d99684 100644
--- a/Alpha_shapes_3/include/CGAL/Alpha_shape_3.h
+++ b/Alpha_shapes_3/include/CGAL/Alpha_shape_3.h
@@ -152,7 +152,7 @@ public:
   enum Mode {GENERAL, REGULARIZED};
 
 
-  typedef Alpha_status< NT >                Alpha_status;
+  typedef CGAL::Alpha_status< NT >          Alpha_status;
   typedef Compact_container<Alpha_status>   Alpha_status_container;
   typedef typename Alpha_status_container::const_iterator 
                                             Alpha_status_const_iterator;