diff --git a/src/endorse-certificate.h b/src/endorse-certificate.h
index c4d160d..3b992c4 100644
--- a/src/endorse-certificate.h
+++ b/src/endorse-certificate.h
@@ -55,6 +55,8 @@
 class EndorseCertificate : public ndn::security::Certificate
 {
 public:
+  EndorseCertificate() {}
+
   EndorseCertificate(const ndn::security::IdentityCertificate& kskCertificate,
                      const ndn::Time& notBefore,
                      const ndn::Time& notAfter,