diff --git a/modules/lang/rust/config.el b/modules/lang/rust/config.el
index a2cc94bd0..68298e449 100644
--- a/modules/lang/rust/config.el
+++ b/modules/lang/rust/config.el
@@ -10,7 +10,9 @@
 (use-package! rustic
   :mode ("\\.rs$" . rustic-mode)
   :commands rustic-run-cargo-command rustic-cargo-outdated
-  :hook (rustic-mode . rainbow-delimiters-mode)
+  :init
+  (after! org-src
+    (add-to-list 'org-src-lang-modes '("rust" . rustic)))
   :config
   (set-docsets! 'rustic-mode "Rust")
   (set-popup-rule! "^\\*rustic-compilation" :vslot -1)