diff --git a/Algebraic_foundations/test/Algebraic_foundations/Coercion_traits.C b/Algebraic_foundations/test/Algebraic_foundations/Coercion_traits.C
index a4705c3bb46..7fcacfc8306 100644
--- a/Algebraic_foundations/test/Algebraic_foundations/Coercion_traits.C
+++ b/Algebraic_foundations/test/Algebraic_foundations/Coercion_traits.C
@@ -13,7 +13,7 @@ int main(){
     }   
     {
     typedef CGAL::Coercion_traits<CGAL::Tag_true,CGAL::Tag_false> CT;
-    BOOST_STATIC_ASSERT(( boost::is_same<CT::Type,void>::value));
+//    BOOST_STATIC_ASSERT(( boost::is_same<CT::Type,CGAL::Null_type>::value));
     BOOST_STATIC_ASSERT(
             ( boost::is_same<CT::Are_implicit_interoperable,CGAL::Tag_false>::value));
     BOOST_STATIC_ASSERT(