diff --git a/Polynomial/include/CGAL/Polynomial_traits_d.h b/Polynomial/include/CGAL/Polynomial_traits_d.h
index 932b51e1f49..30f39ba80d0 100644
--- a/Polynomial/include/CGAL/Polynomial_traits_d.h
+++ b/Polynomial/include/CGAL/Polynomial_traits_d.h
@@ -426,9 +426,9 @@ class Polynomial_traits_d_base< Polynomial< Coefficient_type_ >,
   public:                                                               
   typedef Polynomial<Coefficient_type_>                  Polynomial_d;       
   typedef Coefficient_type_                              Coefficient_type;        
-                                                                        
-  typedef typename Innermost_coefficient_type<Polynomial_d>::Type            
-  Innermost_coefficient_type;                                                
+          
+  typedef typename CGALi::Innermost_coefficient_type<Polynomial_d>::Type    Innermost_coefficient_type;                                                               
+
   static const int d = Dimension<Polynomial_d>::value;