diff --git a/modules/lang/haskell/config.el b/modules/lang/haskell/config.el
index 968299eaf..37cd31d57 100644
--- a/modules/lang/haskell/config.el
+++ b/modules/lang/haskell/config.el
@@ -11,6 +11,7 @@
   :hook (haskell-mode . hindent-mode))
 
 (after! haskell-mode
+  (add-hook 'haskell-mode-hook 'subword-mode)
   (add-hook 'haskell-mode-hook #'interactive-haskell-mode)
   (set-lookup-handlers! 'haskell-mode :definition #'haskell-mode-jump-to-def-or-tag)
   (set-file-template! 'haskell-mode :trigger #'haskell-auto-insert-module-template :project t)