diff --git a/include/boost/thread/win32/thread_primitives.hpp b/include/boost/thread/win32/thread_primitives.hpp
index 451d9c70..7f05ca5a 100644
--- a/include/boost/thread/win32/thread_primitives.hpp
+++ b/include/boost/thread/win32/thread_primitives.hpp
@@ -19,7 +19,7 @@
 
 #ifndef BOOST_THREAD_WIN32_HAS_GET_TICK_COUNT_64
 #if _WIN32_WINNT >= 0x0600
-#define BOOST_THREAD_WIN32_HAS_GET_TICK_COUNT_64
+//#define BOOST_THREAD_WIN32_HAS_GET_TICK_COUNT_64
 #endif
 #endif