diff --git a/src/security/security-common.hpp b/src/security/security-common.hpp
index ef9a42b..7fec50b 100644
--- a/src/security/security-common.hpp
+++ b/src/security/security-common.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2016 Regents of the University of California.
+ * Copyright (c) 2013-2017 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_COMMON_HPP
-#define NDN_SECURITY_COMMON_HPP
+#ifndef NDN_SECURITY_SECURITY_COMMON_HPP
+#define NDN_SECURITY_SECURITY_COMMON_HPP
 
 #include "../common.hpp"
 
@@ -129,4 +129,4 @@
 
 } // namespace ndn
 
-#endif // NDN_SECURITY_COMMON_HPP
+#endif // NDN_SECURITY_SECURITY_COMMON_HPP