diff --git a/src/lp/detail/field-info.cpp b/src/lp/detail/field-info.cpp
index fadd858..f2eca34 100644
--- a/src/lp/detail/field-info.cpp
+++ b/src/lp/detail/field-info.cpp
@@ -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).
  *
@@ -65,10 +65,10 @@
   boost::mpl::for_each<FieldSet>(boost::bind(ExtractFieldInfo(), this, _1));
   if (!isRecognized) {
     canIgnore = tlv::HEADER3_MIN <= tlvType && tlvType <= tlv::HEADER3_MAX &&
-                (tlvType & 0x01) == 0x01;
+                (tlvType & 0x03) == 0x00;
   }
 }
 
 } // namespace detail
 } // namespace lp
-} // namespace ndn
\ No newline at end of file
+} // namespace ndn