diff --git a/include/boost/python/converter/obj_mgr_arg_from_python.hpp b/include/boost/python/converter/obj_mgr_arg_from_python.hpp
index 0ad709c0..dfda753d 100644
--- a/include/boost/python/converter/obj_mgr_arg_from_python.hpp
+++ b/include/boost/python/converter/obj_mgr_arg_from_python.hpp
@@ -79,7 +79,7 @@ inline T object_manager_value_arg_from_python<T>::operator()(PyObject* x) const
 template <class Ref>
 inline object_manager_ref_arg_from_python<Ref>::object_manager_ref_arg_from_python(PyObject* x)
 {
-# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
+# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 243
     // needed for warning suppression
     python::detail::borrowed_reference x_ = python::detail::borrowed_reference(x);
     python::detail::construct_referent<Ref>(&m_result.bytes, x_);