diff --git a/include/boost/bind.hpp b/include/boost/bind.hpp
index 968dac1..1c38452 100644
--- a/include/boost/bind.hpp
+++ b/include/boost/bind.hpp
@@ -1404,12 +1404,12 @@ template<class F, class A1, class A2, class A3, class A4, class A5, class A6, cl
 // data member pointers
 
 template<class R, class T, class A1>
-    _bi::bind_t< R, _mfi::dm<R, T>, typename _bi::list_av_1<A1>::type >
+    _bi::bind_t< R const &, _mfi::dm<R, T>, typename _bi::list_av_1<A1>::type >
     BOOST_BIND(R T::*f, A1 a1)
 {
     typedef _mfi::dm<R, T> F;
     typedef typename _bi::list_av_1<A1>::type list_type;
-    return _bi::bind_t<R, F, list_type>(F(f), list_type(a1));
+    return _bi::bind_t<R const &, F, list_type>(F(f), list_type(a1));
 }
 
 } // namespace boost