diff --git a/modules/prelude-haskell.el b/modules/prelude-haskell.el
index a4022a8..cd30dc1 100644
--- a/modules/prelude-haskell.el
+++ b/modules/prelude-haskell.el
@@ -40,7 +40,7 @@
      (defun prelude-haskell-mode-defaults ()
        (subword-mode +1)
        (eldoc-mode +1)
-       (haskell-indentation-mode)
+       (haskell-indentation-mode +1)
        (interactive-haskell-mode +1))
 
      (setq prelude-haskell-mode-hook 'prelude-haskell-mode-defaults)