diff --git a/src/interest-container.cpp b/src/interest-container.cpp
index 4d42321..3a5e5f4 100644
--- a/src/interest-container.cpp
+++ b/src/interest-container.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2012-2014 University of California, Los Angeles
+ * Copyright (c) 2012-2017 University of California, Los Angeles
  *
  * This file is part of ChronoSync, synchronization library for distributed realtime
  * applications for NDN.
@@ -26,8 +26,8 @@
 
 namespace chronosync {
 
-UnsatisfiedInterest::UnsatisfiedInterest(shared_ptr<const Interest> interest,
-                                         ndn::ConstBufferPtr digest,
+UnsatisfiedInterest::UnsatisfiedInterest(const Interest& interest,
+                                         ConstBufferPtr digest,
                                          bool isUnknown)
   : interest(interest)
   , digest(digest)