diff --git a/tests/transport/dummy-face.hpp b/tests/transport/dummy-face.hpp
index 58b4e81..735702e 100644
--- a/tests/transport/dummy-face.hpp
+++ b/tests/transport/dummy-face.hpp
@@ -14,6 +14,7 @@
 #define NDN_TESTS_TRANSPORT_DUMMY_FACE_HPP
 
 #include "face.hpp"
+#include "transport/transport.hpp"
 
 namespace ndn {