diff --git a/modules/home/doom/static/config.el b/modules/home/doom/static/config.el
index d413b46..a8869d3 100644
--- a/modules/home/doom/static/config.el
+++ b/modules/home/doom/static/config.el
@@ -197,12 +197,14 @@
 (after! tree-sitter
   (add-hook! 'c++-ts-mode-hook #'tree-sitter-mode)
   (add-hook! 'tree-sitter-mode-hook #'tree-sitter-hl-mode)
-  (dolist (mapping (copy-alist tree-sitter-major-mode-language-alist))
-    (let* ((pre-mode (car mapping))
-           (ts-lang (cdr mapping))
-           (post-mode (cdr (assoc pre-mode mode-ts-mode-mapping))))
-      (when ts-lang
-        (add-to-list 'tree-sitter-major-mode-language-alist (cons post-mode ts-lang))))))
+  (let ((result))
+    (dolist (mapping (copy-alist tree-sitter-major-mode-language-alist))
+      (let* ((pre-mode (car mapping))
+             (ts-lang (cdr mapping))
+             (post-mode (cdr (assoc pre-mode mode-ts-mode-mapping))))
+        (when ts-lang
+          (push (cons post-mode ts-lang) result))))
+    (add-to-list 'tree-sitter-major-mode-language-alist result)))
 
 ;; Integrate with lsp-mode
 (use-package lsp-mode