diff --git a/src/conf.hpp b/src/conf.hpp
index 0626bf1..3b4f394 100644
--- a/src/conf.hpp
+++ b/src/conf.hpp
@@ -60,7 +60,7 @@
   setNick(const std::string& nick);
 
 private:
-  template<bool T>
+  template<ndn::encoding::Tag T>
   size_t
   wireEncode(ndn::EncodingImpl<T>& block) const;