diff --git a/src/interest.cpp b/src/interest.cpp
index 8bf60e3..3d3d40b 100644
--- a/src/interest.cpp
+++ b/src/interest.cpp
@@ -228,6 +228,12 @@
   return totalLength;
 }
 
+template size_t
+Interest::wireEncode<true>(EncodingImpl<true>& block) const;
+
+template size_t
+Interest::wireEncode<false>(EncodingImpl<false>& block) const;
+
 const Block&
 Interest::wireEncode() const
 {