diff --git a/include/boost/parameter/python.hpp b/include/boost/parameter/python.hpp
index e3b38bf..5a24d66 100755
--- a/include/boost/parameter/python.hpp
+++ b/include/boost/parameter/python.hpp
@@ -23,6 +23,7 @@
 # include <boost/mpl/begin_end.hpp>
 # include <boost/mpl/not.hpp>
 # include <boost/python/def.hpp>
+# include <boost/python/make_constructor.hpp>
 # include <boost/python/to_python_converter.hpp>
 # include <boost/parameter/aux_/maybe.hpp>
 # include <boost/parameter/aux_/python/invoker.hpp>