diff --git a/Misc/NEWS.d/next/Windows/2020-01-24-09-15-41.bpo-8901.hVnhGO.rst b/Misc/NEWS.d/next/Windows/2020-01-24-09-15-41.bpo-8901.hVnhGO.rst
index 1d452cf26297f8..f75c62faad408f 100644
--- a/Misc/NEWS.d/next/Windows/2020-01-24-09-15-41.bpo-8901.hVnhGO.rst
+++ b/Misc/NEWS.d/next/Windows/2020-01-24-09-15-41.bpo-8901.hVnhGO.rst
@@ -1 +1,3 @@
 Ignore the Windows registry when the ``-E`` option is used.
+Add Mingw-w64 64-bit windows machine, fix issue
+in https://bugs.python.org/issue40167
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 02216b5068012a..6ac9f822d0ae0b 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -78,6 +78,11 @@ WIN32 is still required for the locale module.
 
 
 /* Compiler specific defines */
+#ifdef __MINGW32__
+#ifdef _WIN64
+#define MS_WIN64
+#endif
+#endif
 
 /* ------------------------------------------------------------------------*/
 /* Microsoft C defines _MSC_VER */