diff --git a/core/src/Streamly/Internal/FileSystem/Dir.hs b/core/src/Streamly/Internal/FileSystem/Dir.hs
index 499ac95e2b..30774ffa55 100644
--- a/core/src/Streamly/Internal/FileSystem/Dir.hs
+++ b/core/src/Streamly/Internal/FileSystem/Dir.hs
@@ -96,7 +96,7 @@ import Streamly.Internal.FileSystem.Path (Path)
 #if defined(mingw32_HOST_OS) || defined(__MINGW32__)
 import qualified System.Win32 as Win32
 #else
-import Streamly.Internal.FileSystem.ReadDir
+import Streamly.Internal.FileSystem.Posix.ReadDir
     ( DirStream, openDirStream, closeDirStream, readDirStreamEither
     , readEitherChunks, readEitherByteChunks)
 #endif
diff --git a/core/src/Streamly/Internal/FileSystem/ReadDir.hsc b/core/src/Streamly/Internal/FileSystem/Posix/ReadDir.hsc
similarity index 99%
rename from core/src/Streamly/Internal/FileSystem/ReadDir.hsc
rename to core/src/Streamly/Internal/FileSystem/Posix/ReadDir.hsc
index 255ef000cb..b2bb5bcdb9 100644
--- a/core/src/Streamly/Internal/FileSystem/ReadDir.hsc
+++ b/core/src/Streamly/Internal/FileSystem/Posix/ReadDir.hsc
@@ -1,12 +1,12 @@
 -- |
--- Module      : Streamly.Internal.FileSystem.Dir
+-- Module      : Streamly.Internal.FileSystem.Posix.ReadDir
 -- Copyright   : (c) 2018 Composewell Technologies
 --
 -- License     : BSD3
 -- Maintainer  : streamly@composewell.com
 -- Portability : GHC
 
-module Streamly.Internal.FileSystem.ReadDir
+module Streamly.Internal.FileSystem.Posix.ReadDir
     (
 #if !defined(mingw32_HOST_OS) && !defined(__MINGW32__)
       DirStream
diff --git a/core/streamly-core.cabal b/core/streamly-core.cabal
index 72f16b6db1..4e2e5ece16 100644
--- a/core/streamly-core.cabal
+++ b/core/streamly-core.cabal
@@ -399,7 +399,7 @@ library
                      , Streamly.Internal.FileSystem.Handle
                      , Streamly.Internal.FileSystem.File
                      , Streamly.Internal.FileSystem.Dir
-                     , Streamly.Internal.FileSystem.ReadDir
+                     , Streamly.Internal.FileSystem.Posix.ReadDir
 
                     -- Ring Arrays
                      , Streamly.Internal.Data.Ring