diff --git a/src/hello-protocol.hpp b/src/hello-protocol.hpp
index b1ccd56..fa2528c 100644
--- a/src/hello-protocol.hpp
+++ b/src/hello-protocol.hpp
@@ -73,7 +73,7 @@
 
   void
   onRegistrationSuccess(const ndn::nfd::ControlParameters& commandSuccessResult,
-                        const ndn::Name& neighbor);
+                        const ndn::Name& neighbor, const ndn::time::milliseconds& timeout);
 
   void
   registerPrefixes(const ndn::Name& adjName, const std::string& faceUri,