diff --git a/src/util/dummy-client-face.cpp b/src/util/dummy-client-face.cpp
index 1db5b8d..8cdb9dc 100644
--- a/src/util/dummy-client-face.cpp
+++ b/src/util/dummy-client-face.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2015 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).
  *
@@ -24,6 +24,8 @@
 #include "../management/nfd-controller.hpp"
 #include "../management/nfd-control-response.hpp"
 
+#include <boost/asio/io_service.hpp>
+
 namespace ndn {
 namespace util {