diff --git a/src/identity-challenge/challenge-credential.cpp b/src/identity-challenge/challenge-credential.cpp
index e4f21d4..adee8b0 100644
--- a/src/identity-challenge/challenge-credential.cpp
+++ b/src/identity-challenge/challenge-credential.cpp
@@ -171,7 +171,7 @@
 
 void
 ChallengeCredential::fulfillParameters(std::vector<std::tuple<std::string, std::string>>& params,
-                                       KeyChain& keyChain, const Name& issuedCertName, const RequestID& requestId)
+                                       KeyChain& keyChain, const Name& issuedCertName, const RequestId& requestId)
 {
   auto& pib = keyChain.getPib();
   auto id = pib.getIdentity(security::extractIdentityFromCertName(issuedCertName));
diff --git a/src/identity-challenge/challenge-credential.hpp b/src/identity-challenge/challenge-credential.hpp
index 17bc979..72db981 100644
--- a/src/identity-challenge/challenge-credential.hpp
+++ b/src/identity-challenge/challenge-credential.hpp
@@ -65,7 +65,7 @@
 
   static void
   fulfillParameters(std::vector<std::tuple<std::string, std::string>>& params,
-                    KeyChain& keyChain, const Name& issuedCertName, const RequestID& requestId);
+                    KeyChain& keyChain, const Name& issuedCertName, const RequestId& requestId);
 
   // challenge parameters
   static const std::string PARAMETER_KEY_CREDENTIAL_CERT;