diff --git a/src/storage/repo-storage.cpp b/src/storage/repo-storage.cpp
index 381ccaa..49873d7 100644
--- a/src/storage/repo-storage.cpp
+++ b/src/storage/repo-storage.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California.
+ * Copyright (c) 2014-2017, Regents of the University of California.
  *
  * This file is part of NDN repo-ng (Next generation of NDN repository).
  * See AUTHORS.md for complete list of repo-ng authors and contributors.
@@ -46,7 +46,7 @@
 {
    bool isExist = m_index.hasData(data);
    if (isExist)
-     throw Error("The Entry Has Already In the Skiplist. Cannot be Inserted!");
+     BOOST_THROW_EXCEPTION(Error("The Entry Has Already In the Skiplist. Cannot be Inserted!"));
    int64_t id = m_storage.insert(data);
    if (id == -1)
      return false;