diff --git a/tests/unit-tests/enc-tlv.t.cpp b/tests/unit-tests/enc-tlv.t.cpp
index 24e4d4b..60c683c 100644
--- a/tests/unit-tests/enc-tlv.t.cpp
+++ b/tests/unit-tests/enc-tlv.t.cpp
@@ -18,8 +18,8 @@
  * See AUTHORS.md for complete list of ndncert authors and contributors.
  */
 
-#include "protocol-detail/crypto-helper.hpp"
 #include "protocol-detail/enc-tlv.hpp"
+#include "protocol-detail/crypto-helper.hpp"
 #include "test-common.hpp"
 
 namespace ndn {