diff --git a/daemon/face/unix-stream-face.cpp b/daemon/face/unix-stream-face.cpp
index 93ff30e..60b2236 100644
--- a/daemon/face/unix-stream-face.cpp
+++ b/daemon/face/unix-stream-face.cpp
@@ -33,14 +33,15 @@
                                                 UnixStreamFace::protocol, LocalFace,
                                                 "UnixStreamFace");
 
-BOOST_STATIC_ASSERT((boost::is_same<UnixStreamFace::protocol::socket::native_handle_type,
-                     int>::value));
-
 UnixStreamFace::UnixStreamFace(const shared_ptr<UnixStreamFace::protocol::socket>& socket)
   : StreamFace<protocol, LocalFace>(FaceUri::fromFd(socket->native_handle()),
                                     FaceUri(socket->local_endpoint()),
                                     socket, true)
 {
+  static_assert(
+    std::is_same<std::remove_cv<protocol::socket::native_handle_type>::type, int>::value,
+    "The native handle type for UnixStreamFace sockets must be 'int'"
+  );
 }
 
 } // namespace nfd