diff --git a/Reconstruction_simplification_2/include/CGAL/Reconstruction_face_base_2.h b/Reconstruction_simplification_2/include/CGAL/Reconstruction_face_base_2.h
index 34f4a1f9cf6..78dd143aea3 100644
--- a/Reconstruction_simplification_2/include/CGAL/Reconstruction_face_base_2.h
+++ b/Reconstruction_simplification_2/include/CGAL/Reconstruction_face_base_2.h
@@ -56,8 +56,8 @@ public:
     };
 
     typedef typename Kernel::FT FT;
-    typedef Cost<FT> Cost;
-    typedef Sample<Kernel> Sample;
+    typedef typename Cost<FT> Cost;
+    typedef typename Sample<Kernel> Sample;
     typedef std::list<Sample*> Sample_list;
 
 private:
diff --git a/Reconstruction_simplification_2/include/CGAL/Reconstruction_triangulation_2.h b/Reconstruction_simplification_2/include/CGAL/Reconstruction_triangulation_2.h
index 40dd37a87cc..872c7d1117a 100644
--- a/Reconstruction_simplification_2/include/CGAL/Reconstruction_triangulation_2.h
+++ b/Reconstruction_simplification_2/include/CGAL/Reconstruction_triangulation_2.h
@@ -119,7 +119,7 @@ public:
 	typedef std::list<Point> Point_list;
 	typedef typename Point_list::const_iterator Point_list_const_iterator;
 
-	typedef Cost<FT> Cost;
+	typedef typename Cost<FT> Cost;
 	typedef Sample<Kernel> Sample;
 	typedef std::list<Sample*> Sample_list;
 	typedef typename Sample_list::const_iterator Sample_list_const_iterator;
@@ -128,7 +128,7 @@ public:
 	typedef std::priority_queue<PSample, std::vector<PSample>,
 			greater_priority<PSample> > SQueue;
 
-	typedef Reconstruction_edge_2<FT, Edge, Vertex_handle, Face_handle>
+	typedef typename Reconstruction_edge_2<FT, Edge, Vertex_handle, Face_handle>
 	Reconstruction_edge_2;
 
 	 typedef boost::multi_index_container<
diff --git a/Reconstruction_simplification_2/include/CGAL/Reconstruction_vertex_base_2.h b/Reconstruction_simplification_2/include/CGAL/Reconstruction_vertex_base_2.h
index 538f65eedda..5b763f70c82 100644
--- a/Reconstruction_simplification_2/include/CGAL/Reconstruction_vertex_base_2.h
+++ b/Reconstruction_simplification_2/include/CGAL/Reconstruction_vertex_base_2.h
@@ -40,7 +40,7 @@ class Reconstruction_vertex_base_2 : public Vb
 public:
     typedef Vb Base;
     typedef typename Kernel::FT FT;
-    typedef Sample<Kernel> Sample;
+    typedef typename Sample<Kernel> Sample;
     typedef typename Kernel::Point_2 Point;
     typedef typename Base::Face_handle Face_handle;