diff --git a/include/boost/unordered/detail/allocator_helpers.hpp b/include/boost/unordered/detail/allocator_helpers.hpp
index bdc8d8e6..b0b6f175 100644
--- a/include/boost/unordered/detail/allocator_helpers.hpp
+++ b/include/boost/unordered/detail/allocator_helpers.hpp
@@ -31,14 +31,20 @@
             (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))
 #       define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 1
 #   endif
+#
+#   if defined(BOOST_MSVC) && BOOST_MSVC < 1400
+#       define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 2
+#   endif
 #endif
 
 #if !defined(BOOST_UNORDERED_USE_ALLOCATOR_TRAITS)
 #   define BOOST_UNORDERED_USE_ALLOCATOR_TRAITS 0
 #endif
 
-#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
+#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
 #  include <memory>
+#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 2
+#  include <boost/container/allocator/allocator_traits.hpp>
 #endif
 
 #if !defined(BOOST_NO_0X_HDR_TYPE_TRAITS)
@@ -201,7 +207,7 @@ namespace boost { namespace unordered { namespace detail {
     // Uses the standard versions if available.
     // (although untested as I don't have access to a standard version yet)
 
-#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
+#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
 
     template <typename Alloc>
     struct allocator_traits : std::allocator_traits<Alloc> {};
@@ -213,6 +219,18 @@ namespace boost { namespace unordered { namespace detail {
             template rebind_alloc<T> type;
     };
 
+#elif BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 2
+
+    template <typename Alloc>
+    struct allocator_traits :
+        boost::container::allocator_traits<Alloc> {};
+
+    template <typename Alloc, typename T>
+    struct rebind_wrap :
+        boost::container::allocator_traits<Alloc>::
+            template portable_rebind_alloc<T>
+    {};
+
 #else
 
     // TODO: Does this match std::allocator_traits<Alloc>::rebind_alloc<T>?
diff --git a/test/unordered/allocator_traits.cpp b/test/unordered/allocator_traits.cpp
index 777ac14e..1237426a 100644
--- a/test/unordered/allocator_traits.cpp
+++ b/test/unordered/allocator_traits.cpp
@@ -90,7 +90,7 @@ void test_empty_allocator()
 {
     typedef empty_allocator<int> allocator;
     typedef boost::unordered::detail::allocator_traits<allocator> traits;
-#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
+#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
     BOOST_MPL_ASSERT((boost::is_same<traits::size_type,
         std::make_unsigned<std::ptrdiff_t>::type>));
 #else
@@ -128,7 +128,7 @@ void test_allocator1()
 {
     typedef allocator1<int> allocator;
     typedef boost::unordered::detail::allocator_traits<allocator> traits;
-#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
+#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
     BOOST_MPL_ASSERT((boost::is_same<typename traits::size_type,
         std::make_unsigned<std::ptrdiff_t>::type>));
 #else
diff --git a/test/unordered/minimal_allocator.cpp b/test/unordered/minimal_allocator.cpp
index bce75751..8f485bc4 100644
--- a/test/unordered/minimal_allocator.cpp
+++ b/test/unordered/minimal_allocator.cpp
@@ -52,7 +52,7 @@ void test_simple_allocator()
 
     BOOST_MPL_ASSERT((boost::is_same<typename traits::difference_type, std::ptrdiff_t>));
 
-#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS
+#if BOOST_UNORDERED_USE_ALLOCATOR_TRAITS == 1
     BOOST_MPL_ASSERT((boost::is_same<typename traits::size_type,
         std::make_unsigned<std::ptrdiff_t>::type>));
 #else