diff --git a/modules/lang/ocaml/config.el b/modules/lang/ocaml/config.el
index 2fc87cd36..53762934a 100644
--- a/modules/lang/ocaml/config.el
+++ b/modules/lang/ocaml/config.el
@@ -122,4 +122,4 @@
 
 ;; Tree sitter
 (eval-when! (featurep! +tree-sitter)
-  (add-hook! 'tuareg-mode-local-vars-hook #'tree-sitter))
+  (add-hook! 'tuareg-mode-local-vars-hook #'tree-sitter!))