diff --git a/src/encoding/tlv.hpp b/src/encoding/tlv.hpp
index d4abdc1..f7b7240 100644
--- a/src/encoding/tlv.hpp
+++ b/src/encoding/tlv.hpp
@@ -59,30 +59,31 @@
  *  @sa https://named-data.net/doc/NDN-packet-spec/current/types.html
  */
 enum {
-  Interest                      = 5,
-  Data                          = 6,
-  Name                          = 7,
-  GenericNameComponent          = 8,
-  ImplicitSha256DigestComponent = 1,
-  CanBePrefix                   = 33,
-  MustBeFresh                   = 18,
-  ForwardingHint                = 30,
-  Nonce                         = 10,
-  InterestLifetime              = 12,
-  HopLimit                      = 34,
-  Parameters                    = 35,
-  MetaInfo                      = 20,
-  Content                       = 21,
-  SignatureInfo                 = 22,
-  SignatureValue                = 23,
-  ContentType                   = 24,
-  FreshnessPeriod               = 25,
-  FinalBlockId                  = 26,
-  SignatureType                 = 27,
-  KeyLocator                    = 28,
-  KeyDigest                     = 29,
-  LinkDelegation                = 31,
-  LinkPreference                = 30,
+  Interest                        = 5,
+  Data                            = 6,
+  Name                            = 7,
+  GenericNameComponent            = 8,
+  ImplicitSha256DigestComponent   = 1,
+  ParametersSha256DigestComponent = 2,
+  CanBePrefix                     = 33,
+  MustBeFresh                     = 18,
+  ForwardingHint                  = 30,
+  Nonce                           = 10,
+  InterestLifetime                = 12,
+  HopLimit                        = 34,
+  Parameters                      = 35,
+  MetaInfo                        = 20,
+  Content                         = 21,
+  SignatureInfo                   = 22,
+  SignatureValue                  = 23,
+  ContentType                     = 24,
+  FreshnessPeriod                 = 25,
+  FinalBlockId                    = 26,
+  SignatureType                   = 27,
+  KeyLocator                      = 28,
+  KeyDigest                       = 29,
+  LinkDelegation                  = 31,
+  LinkPreference                  = 30,
 
   NameComponentMin = 1,
   NameComponentMax = 65535,