diff --git a/ndnboost/function/function4.hpp b/ndnboost/function/function4.hpp
new file mode 100644
index 0000000..467b03b
--- /dev/null
+++ b/ndnboost/function/function4.hpp
@@ -0,0 +1,12 @@
+// Boost.Function library
+
+//  Copyright Douglas Gregor 2002-2003. Use, modification and
+//  distribution is subject to the Boost Software License, Version
+//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#define BOOST_FUNCTION_NUM_ARGS 4
+#include <ndnboost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS