diff --git a/include/boost/range/sub_range.hpp b/include/boost/range/sub_range.hpp
index d1c3b99b..02c5d45c 100644
--- a/include/boost/range/sub_range.hpp
+++ b/include/boost/range/sub_range.hpp
@@ -185,6 +185,8 @@ class sub_range_base<ForwardRange, random_access_traversal_tag>
             : base(impl::adl_begin(const_cast<base&>(static_cast<const base&>(r))),
                    impl::adl_end(const_cast<base&>(static_cast<const base&>(r))))
         { }  
+#elif !(defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS))
+        sub_range(const sub_range& r) = default;
 #endif
 
         template< class ForwardRange2 >