diff --git a/Assistant/Install/AutoStart.hs b/Assistant/Install/AutoStart.hs
index 78b9e3c1be..29b110b711 100644
--- a/Assistant/Install/AutoStart.hs
+++ b/Assistant/Install/AutoStart.hs
@@ -15,12 +15,13 @@ import Utility.FreeDesktop
 import Utility.OSX
 import Utility.Path
 import Utility.Directory
+import Utility.FileSystemEncoding
 #endif
 
 installAutoStart :: FilePath -> FilePath -> IO ()
 installAutoStart command file = do
 #ifdef darwin_HOST_OS
-	createDirectoryIfMissing True (parentDir file)
+	createDirectoryIfMissing True (fromRawFilePath (parentDir file))
 	writeFile file $ genOSXAutoStartFile osxAutoStartLabel command
 		["assistant", "--autostart"]
 #else