diff --git a/tests/unit/lp/packet.t.cpp b/tests/unit/lp/packet.t.cpp
index 01cc05b..50cc681 100644
--- a/tests/unit/lp/packet.t.cpp
+++ b/tests/unit/lp/packet.t.cpp
@@ -20,6 +20,7 @@
  */
 
 #include "ndn-cxx/lp/packet.hpp"
+#include "ndn-cxx/lp/fields.hpp"
 #include "ndn-cxx/prefix-announcement.hpp"
 
 #include "tests/key-chain-fixture.hpp"