diff --git a/winbuild/MakefileBuild.vc b/winbuild/MakefileBuild.vc
index 238b3ea60f2dec21435c4c73fdf0925e3ee8dbf7..421690ca71c24a5e9109f0f637a2ab398bcb3952 100644
--- a/winbuild/MakefileBuild.vc
+++ b/winbuild/MakefileBuild.vc
@@ -5,7 +5,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 1999 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+# Copyright (C) 1999 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -152,7 +152,7 @@ USE_SSPI=true
 USE_IPV6=true
 !ENDIF
 
-!IFNDEF ENABLE_IDN
+!IFNDEF USE_IDN
 USE_IDN   =true
 !ELSEIF "$(USE_IDN)"=="yes"
 USE_IDN   =true