diff --git a/src/challenge-module/challenge-email.cpp b/src/challenge-module/challenge-email.cpp
index 2e9e133..327fb79 100644
--- a/src/challenge-module/challenge-email.cpp
+++ b/src/challenge-module/challenge-email.cpp
@@ -45,7 +45,7 @@
 
 // For CA
 std::tuple<ErrorCode, std::string>
-ChallengeEmail::handleChallengeRequest(const Block& params, CertificateRequest& request)
+ChallengeEmail::handleChallengeRequest(const Block& params, RequestState& request)
 {
   params.parse();
   auto currentTime = time::system_clock::now();
@@ -159,7 +159,7 @@
 
 void
 ChallengeEmail::sendEmail(const std::string& emailAddress, const std::string& secret,
-                          const CertificateRequest& request) const
+                          const RequestState& request) const
 {
   std::string command = m_sendEmailScript;
   command += " \"" + emailAddress + "\" \"" + secret + "\" \"" + request.m_caPrefix.toUri() + "\" \"" + request.m_cert.getName().toUri() + "\"";