diff --git a/src/HPath/IO.hs b/src/HPath/IO.hs
index 38a1859..d0a42ba 100644
--- a/src/HPath/IO.hs
+++ b/src/HPath/IO.hs
@@ -661,9 +661,9 @@ executeFile fp args
 --
 --    - `PermissionDenied` if output directory cannot be written to
 --    - `AlreadyExists` if destination file already exists
-createRegularFile :: Path Abs -> IO ()
-createRegularFile dest =
-  bracket (SPI.openFd (fromAbs dest) SPI.WriteOnly (Just newFilePerms)
+createRegularFile :: FileMode -> Path Abs -> IO ()
+createRegularFile fm dest =
+  bracket (SPI.openFd (fromAbs dest) SPI.WriteOnly (Just fm)
                       (SPI.defaultFileFlags { exclusive = True }))
           SPI.closeFd
           (\_ -> return ())
@@ -675,8 +675,8 @@ createRegularFile dest =
 --
 --    - `PermissionDenied` if output directory cannot be written to
 --    - `AlreadyExists` if destination directory already exists
-createDir :: Path Abs -> IO ()
-createDir dest = createDirectory (fromAbs dest) newDirPerms
+createDir :: FileMode -> Path Abs -> IO ()
+createDir fm dest = createDirectory (fromAbs dest) fm
 
 
 -- |Create a symlink.
diff --git a/test/Utils.hs b/test/Utils.hs
index a1caea1..5d55cff 100644
--- a/test/Utils.hs
+++ b/test/Utils.hs
@@ -86,7 +86,7 @@ createTmpDir :: IO ()
 createTmpDir = do
   pwd <- fromJust <$> getEnv "PWD" >>= P.parseAbs
   tmp <- P.parseRel =<< readIORef tmpDir
-  void $ createDir (pwd P.</> tmp)
+  void $ createDir newDirPerms (pwd P.</> tmp)
 
 
 deleteTmpDir :: IO ()
@@ -102,7 +102,7 @@ createBaseTmpDir :: IO ()
 createBaseTmpDir = do
   pwd <- fromJust <$> getEnv "PWD" >>= P.parseAbs
   tmp <- P.parseRel baseTmpDir
-  void $ createDir (pwd P.</> tmp)
+  void $ createDir newDirPerms (pwd P.</> tmp)
 
 
 deleteBaseTmpDir :: IO ()
@@ -177,12 +177,12 @@ copyDirRecursive' inputDirP outputDirP cm rm =
 
 createDir' :: ByteString -> IO ()
 {-# NOINLINE createDir' #-}
-createDir' dest = withTmpDir dest createDir
+createDir' dest = withTmpDir dest (createDir newDirPerms)
 
 
 createRegularFile' :: ByteString -> IO ()
 {-# NOINLINE createRegularFile' #-}
-createRegularFile' dest = withTmpDir dest createRegularFile
+createRegularFile' dest = withTmpDir dest (createRegularFile newFilePerms)
 
 
 createSymlink' :: ByteString -> ByteString -> IO ()