diff --git a/src/util/in-memory-storage-lru.hpp b/src/util/in-memory-storage-lru.hpp
index bde0de4..8d7f852 100644
--- a/src/util/in-memory-storage-lru.hpp
+++ b/src/util/in-memory-storage-lru.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2014 Regents of the University of California.
+ * Copyright (c) 2013-2016 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -42,6 +42,8 @@
   explicit
   InMemoryStorageLru(size_t limit = 10);
 
+  InMemoryStorageLru(boost::asio::io_service& ioService, size_t limit = 10);
+
   virtual
   ~InMemoryStorageLru();