diff --git a/src/certificate-request.cpp b/src/certificate-request.cpp
index 3798ea6..4a4c4b4 100644
--- a/src/certificate-request.cpp
+++ b/src/certificate-request.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2017-2019, Regents of the University of California.
+ * Copyright (c) 2017-2020, Regents of the University of California.
  *
  * This file is part of ndncert, a certificate management system based on NDN.
  *
@@ -26,21 +26,23 @@
 
 CertificateRequest::CertificateRequest() = default;
 
-CertificateRequest::CertificateRequest(const Name& caName, const std::string& requestId, int status,
+CertificateRequest::CertificateRequest(const Name& caName, const std::string& requestId, int requestType, int status,
                                        const security::v2::Certificate& cert)
   : m_caPrefix(caName)
   , m_requestId(requestId)
+  , m_requestType(requestType)
   , m_status(status)
   , m_cert(cert)
 {
 }
 
-CertificateRequest::CertificateRequest(const Name& caName, const std::string& requestId, int status,
+CertificateRequest::CertificateRequest(const Name& caName, const std::string& requestId, int requestType, int status,
                                        const std::string& challengeStatus, const std::string& challengeType,
                                        const std::string& challengeTp, int remainingTime, int remainingTries,
                                        const JsonSection& challengeSecrets, const security::v2::Certificate& cert)
   : m_caPrefix(caName)
   , m_requestId(requestId)
+  , m_requestType(requestType)
   , m_status(status)
   , m_cert(cert)
   , m_challengeStatus(challengeStatus)