diff --git a/include/boost/range/adaptor/ref_unwrapped.hpp b/include/boost/range/adaptor/ref_unwrapped.hpp
index 71af483..0369cc3 100644
--- a/include/boost/range/adaptor/ref_unwrapped.hpp
+++ b/include/boost/range/adaptor/ref_unwrapped.hpp
@@ -32,7 +32,7 @@ namespace boost
             typedef BOOST_DEDUCED_TYPENAME
                           range_reference<SinglePassRange>::type argument_type;
 
-            using result_type = decltype(std::declval<argument_type>().get() );
+            typedef decltype(std::declval<argument_type>().get() ) result_type;
 
             result_type operator()( argument_type &&r ) const
             {
@@ -46,11 +46,11 @@ namespace boost
             : public transformed_range<unwrap_ref<SinglePassRange>,
                                        SinglePassRange>
         {
-            using base = transformed_range<unwrap_ref<SinglePassRange>,
-                                           SinglePassRange>;
+            typedef transformed_range<unwrap_ref<SinglePassRange>,
+                                           SinglePassRange> base;
         public:
-            using transform_fn_type = unwrap_ref<SinglePassRange>;
-            using source_range_type = SinglePassRange;
+            typedef unwrap_ref<SinglePassRange> transform_fn_type;
+            typedef SinglePassRange source_range_type;
 
             unwrap_ref_range(transform_fn_type fn, source_range_type &rng)
                 : base(fn, rng)
diff --git a/test/adaptor_test/ref_unwrapped.cpp b/test/adaptor_test/ref_unwrapped.cpp
index ea190b3..c476b74 100644
--- a/test/adaptor_test/ref_unwrapped.cpp
+++ b/test/adaptor_test/ref_unwrapped.cpp
@@ -17,7 +17,7 @@
 
 #include <vector>
 
-#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR)
+#if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) && !defined(BOOST_NO_CXX11_RANGE_BASED_FOR) && !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
 
 namespace boost
 {