diff --git a/home/alex/programs/emacs/doom/config.el b/home/alex/programs/emacs/doom/config.el
index ceb7238..a9d6299 100644
--- a/home/alex/programs/emacs/doom/config.el
+++ b/home/alex/programs/emacs/doom/config.el
@@ -39,6 +39,11 @@
 (after! persp-mode
     (setq persp-emacsclient-init-frame-behaviour-override "main"))
 
+
+;; exclude cmake from formatting on save
+(add-to-list '+format-on-save-disabled-modes
+             'cmake-mode)
+
 (defun my/org-id-update-org-roam-files ()
   "Update Org-ID locations for all Org-roam files."
   (interactive)