diff --git a/include/boost/multi_index/detail/ord_index_impl.hpp b/include/boost/multi_index/detail/ord_index_impl.hpp
index 982e0db..51025cc 100644
--- a/include/boost/multi_index/detail/ord_index_impl.hpp
+++ b/include/boost/multi_index/detail/ord_index_impl.hpp
@@ -77,7 +77,6 @@
 
 #if !defined(BOOST_NO_SFINAE)
 #include <boost/type_traits/is_const.hpp>
-#include <boost/type_traits/remove_reference.hpp>
 #include <boost/utility/enable_if.hpp>
 #endif
 
@@ -546,9 +545,8 @@ public:
 
 #if !defined(BOOST_NO_SFINAE)
   typename enable_if_c<
-    is_same<
-      typename remove_reference<Index>::type::node_type,node_type>::value&&
-    !is_const<typename remove_reference<Index>::type>::value
+    !is_const<Index>::value&&
+    is_same<typename Index::node_type,node_type>::value
   >::type
 #else
   void
@@ -559,7 +557,7 @@ public:
     BOOST_MULTI_INDEX_CHECK_EQUAL_ALLOCATORS(*this,x);
     BOOST_MULTI_INDEX_ORD_INDEX_CHECK_INVARIANT;
 
-    typedef typename remove_reference<Index>::type::iterator source_iterator;
+    typedef typename Index::iterator source_iterator;
 
     source_iterator first=x.begin(),last=x.end();
     if(static_cast<final_node_type*>(last.get_node())!=
@@ -571,6 +569,20 @@ public:
     }
   }
 
+  template<typename Index>
+
+#if !defined(BOOST_NO_SFINAE)
+  typename enable_if_c<
+    !is_const<Index>::value&&
+    is_same<typename Index::node_type,node_type>::value
+  >::type
+#else
+  void
+#endif
+
+  merge(BOOST_RV_REF(Index) x){merge(static_cast<Index&>(x));}
+
+
   /* observers */
 
   key_from_value key_extractor()const{return key;}
diff --git a/test/test_node_handling.cpp b/test/test_node_handling.cpp
index a04040c..7ca0691 100644
--- a/test/test_node_handling.cpp
+++ b/test/test_node_handling.cpp
@@ -428,6 +428,14 @@ void test_merge()
   BOOST_TEST(c1.size()==10&&c2.size()==0);
   c2.merge(c1.get<2>());
   BOOST_TEST(c1.size()==0&&c2.size()==10);
+  c2.merge(c2);
+  BOOST_TEST(c2.size()==10);
+  c2.merge(boost::move(c2));
+  BOOST_TEST(c2.size()==10);
+  c2.merge(boost::move(c2.get<3>()));
+  BOOST_TEST(c2.size()==10);
+  c2.merge(container(c2));
+  BOOST_TEST(c2.size()==20);
 }
 
 void test_node_handling()