diff --git a/src/endorse-info.hpp b/src/endorse-info.hpp
index 921e711..a794c63 100644
--- a/src/endorse-info.hpp
+++ b/src/endorse-info.hpp
@@ -60,7 +60,7 @@
   addEndorsement(const std::string& type, const std::string& value, const std::string& count);
 
 private:
-  template<bool T>
+  template<ndn::encoding::Tag T>
   size_t
   wireEncode(ndn::EncodingImpl<T>& block) const;