diff -r 22e5a85ba840 Lib/ctypes/wintypes.py
--- a/Lib/ctypes/wintypes.py	Sat Jul 12 22:20:15 2014 -0700
+++ b/Lib/ctypes/wintypes.py	Sun Jul 13 15:41:31 2014 +0100
@@ -1,7 +1,7 @@
 # The most useful windows datatypes
 import ctypes
 
-BYTE = ctypes.c_byte
+BYTE = ctypes.c_ubyte
 WORD = ctypes.c_ushort
 DWORD = ctypes.c_ulong