diff --git a/include/boost/utility/in_place_factory.hpp b/include/boost/utility/in_place_factory.hpp
index c737b25..612c9a3 100644
--- a/include/boost/utility/in_place_factory.hpp
+++ b/include/boost/utility/in_place_factory.hpp
@@ -52,5 +52,7 @@ BOOST_PP_REPEAT( BOOST_MAX_INPLACE_FACTORY_ARITY, BOOST_DEFINE_INPLACE_FACTORY_C
 
 } // namespace boost
 
+#include <boost/utility/detail/in_place_factory_suffix.hpp>
+
 #endif
 
diff --git a/include/boost/utility/typed_in_place_factory.hpp b/include/boost/utility/typed_in_place_factory.hpp
index 49b1348..e19fb75 100644
--- a/include/boost/utility/typed_in_place_factory.hpp
+++ b/include/boost/utility/typed_in_place_factory.hpp
@@ -12,7 +12,7 @@
 #ifndef BOOST_UTILITY_TYPED_INPLACE_FACTORY_25AGO2003_HPP
 #define BOOST_UTILITY_TYPED_INPLACE_FACTORY_25AGO2003_HPP
 
-#include <boost/detail/in_place_factory_prefix.hpp>
+#include <boost/utility/detail/in_place_factory_prefix.hpp>
 
 namespace boost {
 
@@ -51,7 +51,7 @@ BOOST_PP_REPEAT( BOOST_MAX_INPLACE_FACTORY_ARITY, BOOST_DEFINE_TYPED_INPLACE_FAC
 
 } // namespace boost
 
-#include <boost/detail/in_place_factory_suffix.hpp>
+#include <boost/utility/detail/in_place_factory_suffix.hpp>
 
 #endif