diff --git a/modules/lang/haskell/config.el b/modules/lang/haskell/config.el
index 83e3bbbea..8454129f7 100644
--- a/modules/lang/haskell/config.el
+++ b/modules/lang/haskell/config.el
@@ -12,8 +12,9 @@
 
 (after! haskell-mode
   (setq haskell-process-suggest-remove-import-lines t ;; warnings for redundant imports etc.
-        haskell-process-auto-import-loaded-modules t ;; auto import modules
-        haskell-process-show-overlays nil) ;;flycheck makes this unnecessary
+        haskell-process-auto-import-loaded-modules t) ;; auto import modules
+  (when! (featurep! :feature syntax-checker)
+         (setq haskell-process-show-overlays nil)) ;;flycheck makes this unnecessary
   (add-hook 'haskell-mode-hook 'subword-mode) ;; improves text navigation with camelCase:
   (add-hook 'haskell-mode-hook #'haskell-collapse-mode) ;; support collapsing haskell code blocks.
   (add-hook 'haskell-mode-hook #'interactive-haskell-mode)