diff --git a/tools/ndnsec/list.cpp b/tools/ndnsec/list.cpp
index 955fb6f..336a574 100644
--- a/tools/ndnsec/list.cpp
+++ b/tools/ndnsec/list.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2017 Regents of the University of California.
+ * Copyright (c) 2013-2018 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -21,7 +21,8 @@
 
 #include "ndnsec.hpp"
 #include "util.hpp"
-#include "util/indented-stream.hpp"
+
+#include <ndn-cxx/util/indented-stream.hpp>
 
 namespace ndn {
 namespace ndnsec {