diff --git a/Packages/H2/include/CGAL/point_vector_declarationsH2.h b/Packages/H2/include/CGAL/point_vector_declarationsH2.h
index 1935b9d2dcb..74ae53d144a 100644
--- a/Packages/H2/include/CGAL/point_vector_declarationsH2.h
+++ b/Packages/H2/include/CGAL/point_vector_declarationsH2.h
@@ -73,7 +73,7 @@ operator-(const VectorH2<R>& u, const VectorH2<R>& v);
 
 template <class R>
 CGAL_KERNEL_INLINE
-typename R::FT
+typename VectorH2<R>::FT
 operator*(const VectorH2<R>& u, const VectorH2<R>& v);
 
 template <class R>