diff --git a/tests/boost-test.hpp b/tests/boost-test.hpp
index 51e0973..a503391 100644
--- a/tests/boost-test.hpp
+++ b/tests/boost-test.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2018 Regents of the University of California.
+ * Copyright (c) 2013-2020 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -19,8 +19,8 @@
  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
  */
 
-#ifndef NDN_TESTS_BOOST_TEST_HPP
-#define NDN_TESTS_BOOST_TEST_HPP
+#ifndef NDN_CXX_TESTS_BOOST_TEST_HPP
+#define NDN_CXX_TESTS_BOOST_TEST_HPP
 
 // suppress warnings from Boost.Test
 #pragma GCC system_header
@@ -29,4 +29,4 @@
 #define BOOST_TEST_DYN_LINK
 #include <boost/test/unit_test.hpp>
 
-#endif // NDN_TESTS_BOOST_TEST_HPP
+#endif // NDN_CXX_TESTS_BOOST_TEST_HPP