diff --git a/include/boost/python/make_constructor.hpp b/include/boost/python/make_constructor.hpp
index 18a93ce2..598bf4f6 100755
--- a/include/boost/python/make_constructor.hpp
+++ b/include/boost/python/make_constructor.hpp
@@ -103,14 +103,12 @@ namespace detail
       
       // If the BasePolicy_ supplied a result converter it would be
       // ignored; issue an error if it's not the default.
-      BOOST_MPL_ASSERT_MSG(
-         (is_same<
+      BOOST_STATIC_ASSERT((
+          is_same<
               typename BasePolicy_::result_converter
             , default_result_converter
-          >::value)
-        , MAKE_CONSTRUCTOR_SUPPLIES_ITS_OWN_RESULT_CONVERTER_THAT_WOULD_OVERRIDE_YOURS
-        , (typename BasePolicy_::result_converter)
-      );
+          >::value
+      ));
       
       typedef constructor_result_converter result_converter;
       typedef offset_args<typename BasePolicy_::argument_package, mpl::int_<1> > argument_package;