diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -132,7 +132,7 @@
     convert contents out =
       (\(f, ext) -> writeFile (out <> "." <> ext) (f contents)) $
         case commandType of
-          Md2Hs -> (mdToHs (fromMaybe def configHsMd), "md")
+          Md2Hs -> (mdToHs (fromMaybe def configHsMd), "hs")
           Hs2Md -> (hsToMd (fromMaybe def configHsMd), "md")
           Md2Lhs -> (mdToLhs, "lhs")
           Lhs2Md -> (lhsToMd, "md")
diff --git a/lima.cabal b/lima.cabal
--- a/lima.cabal
+++ b/lima.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           lima
-version:        0.1.0.3
+version:        0.1.0.4
 synopsis:       (Haskell or Literate Haskell) <-> Markdown converter
 description:    See the [README.md](https://github.com/deemp/flakes/tree/main/lima#readme)
 category:       Productivity