diff --git a/src/lp/fields.hpp b/src/lp/fields.hpp
index ff9db28..7d898d0 100644
--- a/src/lp/fields.hpp
+++ b/src/lp/fields.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2015 Regents of the University of California.
+ * Copyright (c) 2013-2016 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -68,6 +68,11 @@
                           tlv::IncomingFaceId> IncomingFaceIdField;
 BOOST_CONCEPT_ASSERT((Field<IncomingFaceIdField>));
 
+typedef detail::FieldDecl<field_location_tags::Header,
+                          uint64_t,
+                          tlv::CongestionMark> CongestionMarkField;
+BOOST_CONCEPT_ASSERT((Field<CongestionMarkField>));
+
 /**
  * The value of the wire encoded field is the data between the provided iterators. During
  * encoding, the data is copied from the Buffer into the wire buffer.
@@ -88,7 +93,8 @@
   NackField,
   NextHopFaceIdField,
   CachePolicyField,
-  IncomingFaceIdField
+  IncomingFaceIdField,
+  CongestionMarkField
   > FieldSet;
 
 } // namespace lp