diff --git a/plugin/gnupg.vim b/plugin/gnupg.vim
index c62e642..6a64170 100644
--- a/plugin/gnupg.vim
+++ b/plugin/gnupg.vim
@@ -201,7 +201,7 @@ function s:GPGInit()
     " windows specific settings
     let s:shellredir = '>%s'
     let s:shell = &shell
-    let s:stderrredirnull = '2>nul'
+    let s:stderrredirnull = '2>null'
   else
     " unix specific settings
     let s:shellredir = &shellredir