diff --git a/ndn-cxx/security/certificate-fetcher-direct-fetch.hpp b/ndn-cxx/security/certificate-fetcher-direct-fetch.hpp
index db23afb..0ec8bb5 100644
--- a/ndn-cxx/security/certificate-fetcher-direct-fetch.hpp
+++ b/ndn-cxx/security/certificate-fetcher-direct-fetch.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2020 Regents of the University of California.
+ * Copyright (c) 2013-2021 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_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP
-#define NDN_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP
+#ifndef NDN_CXX_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP
+#define NDN_CXX_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP
 
 #include "ndn-cxx/security/certificate-fetcher-from-network.hpp"
 
@@ -62,4 +62,4 @@
 } // namespace security
 } // namespace ndn
 
-#endif // NDN_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP
+#endif // NDN_CXX_SECURITY_CERTIFICATE_FETCHER_DIRECT_FETCH_HPP