diff --git a/src/conf.cpp b/src/conf.cpp
index fba36b8..d02fe08 100644
--- a/src/conf.cpp
+++ b/src/conf.cpp
@@ -23,7 +23,7 @@
   this->wireDecode(confWire);
 }
 
-template<bool T>
+template<ndn::encoding::Tag T>
 size_t
 Conf::wireEncode(ndn::EncodingImpl<T>& block) const
 {