diff --git a/include/boost/smart_ptr/detail/lwm_win32_cs.hpp b/include/boost/smart_ptr/detail/lwm_win32_cs.hpp
index 7d3e156..25b1f19 100644
--- a/include/boost/smart_ptr/detail/lwm_win32_cs.hpp
+++ b/include/boost/smart_ptr/detail/lwm_win32_cs.hpp
@@ -65,6 +65,15 @@ extern "C" __declspec(dllimport) void __stdcall DeleteCriticalSection(::_RTL_CRI
 
 typedef ::CRITICAL_SECTION critical_section;
 
+#if BOOST_PLAT_WINDOWS_RUNTIME
+using ::InitializeCriticalSectionEx;
+#else
+using ::InitializeCriticalSection;
+#endif
+using ::EnterCriticalSection;
+using ::LeaveCriticalSection;
+using ::DeleteCriticalSection;
+
 #endif // #ifndef BOOST_USE_WINDOWS_H
 
 class lightweight_mutex
diff --git a/test/Jamfile b/test/Jamfile
index bab6fa8..7f65864 100644
--- a/test/Jamfile
+++ b/test/Jamfile
@@ -22,6 +22,7 @@ run intrusive_ptr_move_test.cpp ;
 run intrusive_ref_counter_test.cpp ;
 run atomic_count_test.cpp ;
 run lw_mutex_test.cpp ;
+run lw_mutex_test.cpp : : : <define>BOOST_USE_WINDOWS_H : lw_mutex_test.win_h ;
 compile-fail shared_ptr_assign_fail.cpp ;
 compile-fail shared_ptr_delete_fail.cpp ;
 compile-fail shared_ptr_compare_fail.cpp ;