diff --git a/tests/unit/security/v2/certificate.t.cpp b/tests/unit/security/v2/certificate.t.cpp
index 0d848fd..91bb5c1 100644
--- a/tests/unit/security/v2/certificate.t.cpp
+++ b/tests/unit/security/v2/certificate.t.cpp
@@ -151,7 +151,7 @@
   BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(certificate.getValidityPeriod()),
                     "(20150814T223739, 20150818T223738)");
 
-  BOOST_CHECK_THROW(certificate.getExtension(12345), ndn::SignatureInfo::Error);
+  BOOST_CHECK_THROW(certificate.getExtension(12345), ndn::Data::Error);
   BOOST_CHECK_NO_THROW(certificate.getPublicKey());
 
   Data data(block);
@@ -177,7 +177,7 @@
   BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(certificate.getValidityPeriod()),
                     "(20141111T050000, 20141111T060000)");
 
-  BOOST_CHECK_THROW(certificate.getExtension(12345), ndn::SignatureInfo::Error);
+  BOOST_CHECK_THROW(certificate.getExtension(12345), ndn::Data::Error);
   BOOST_CHECK_NO_THROW(certificate.getPublicKey());
 }