diff --git a/include/boost/unordered/unordered_map.hpp b/include/boost/unordered/unordered_map.hpp
index a7765fe7..bc3608e8 100644
--- a/include/boost/unordered/unordered_map.hpp
+++ b/include/boost/unordered/unordered_map.hpp
@@ -1502,6 +1502,23 @@ namespace boost {
       const_iterator find(CompatibleKey const&, CompatibleHash const&,
         CompatiblePredicate const&) const;
 
+      bool contains(key_type const& k) const
+      {
+        return table_.find_node_impl(
+          table::policy::apply_hash(this->hash_function(), k), k,
+          this->key_eq());
+      }
+
+      template <class Key>
+      typename boost::enable_if_c<detail::are_transparent<Key, H, P>::value,
+        bool>::type
+      contains(const Key& k) const
+      {
+        return table_.find_node_impl(
+          table::policy::apply_hash(this->hash_function(), k), k,
+          this->key_eq());
+      }
+
       size_type count(const key_type&) const;
 
       template <class Key>
diff --git a/test/unordered/contains_tests.cpp b/test/unordered/contains_tests.cpp
index f1cefbc4..032b1677 100644
--- a/test/unordered/contains_tests.cpp
+++ b/test/unordered/contains_tests.cpp
@@ -148,8 +148,30 @@ void test_map()
   test_map_non_transparent_contains<non_transparent_map3>();
 }
 
+void test_multimap()
+{
+  typedef boost::unordered_multimap<key, int, transparent_hasher,
+    transparent_key_equal>
+    transparent_multimap;
+
+  typedef boost::unordered_multimap<key, int, transparent_hasher, key_equal>
+    non_transparent_multimap1;
+
+  typedef boost::unordered_multimap<key, int, hasher, transparent_key_equal>
+    non_transparent_multimap2;
+
+  typedef boost::unordered_multimap<key, int, hasher, key_equal>
+    non_transparent_multimap3;
+
+  test_map_transparent_contains<transparent_multimap>();
+  test_map_non_transparent_contains<non_transparent_multimap1>();
+  test_map_non_transparent_contains<non_transparent_multimap2>();
+  test_map_non_transparent_contains<non_transparent_multimap3>();
+}
+
 UNORDERED_AUTO_TEST (contains) {
   test_map();
+  test_multimap();
 }
 
 RUN_TESTS()