diff --git a/silently.cabal b/silently.cabal
--- a/silently.cabal
+++ b/silently.cabal
@@ -1,5 +1,5 @@
 name: silently
-version: 1.2.5
+version: 1.2.5.1
 cabal-version: >= 1.8
 build-type: Simple
 license: BSD3
diff --git a/src/System/IO/Silently.hs b/src/System/IO/Silently.hs
--- a/src/System/IO/Silently.hs
+++ b/src/System/IO/Silently.hs
@@ -26,7 +26,7 @@
 
 mNullDevice :: Maybe FilePath
 #ifdef WINDOWS
-mNullDevice = Just "NUL"
+mNullDevice = Just "\\\\.\\NUL"
 #elif UNIX
 mNullDevice = Just "/dev/null"
 #else