diff --git a/tests/unit-tests/challenge-pin.t.cpp b/tests/unit-tests/challenge-pin.t.cpp
index 41924c3..633dd8f 100644
--- a/tests/unit-tests/challenge-pin.t.cpp
+++ b/tests/unit-tests/challenge-pin.t.cpp
@@ -54,7 +54,7 @@
   auto cert = key.getDefaultCertificate();
   CertificateRequest request(Name("/ndn/site1"), "123", cert);
 
-  Name interestName("/ndn/site1");
+  Name interestName("/ndn/site1/CA");
   interestName.append("_SELECT").append("Fake-Request-ID").append("PIN");
   Interest interest(interestName);
 
@@ -89,7 +89,7 @@
   std::string jsonString = ss.str();
   Block jsonContent = makeStringBlock(ndn::tlv::NameComponent, ss.str());
 
-  Name interestName("/ndn/site1");
+  Name interestName("/ndn/site1/CA");
   interestName.append("_VALIDATE").append("Fake-Request-ID").append("PIN").append(jsonContent);
   Interest interest(interestName);
 
@@ -124,7 +124,7 @@
   std::string jsonString = ss.str();
   Block jsonContent = makeStringBlock(ndn::tlv::NameComponent, ss.str());
 
-  Name interestName("/ndn/site1");
+  Name interestName("/ndn/site1/CA");
   interestName.append("_VALIDATE").append("Fake-Request-ID").append("PIN").append(jsonContent);
   Interest interest(interestName);