diff --git a/emacs/.emacs.d/init.el b/emacs/.emacs.d/init.el
index 7d9788a..b9a4c85 100644
--- a/emacs/.emacs.d/init.el
+++ b/emacs/.emacs.d/init.el
@@ -152,7 +152,7 @@
 
 (use-package rustic
   :custom
-  (rustic-format-on-save t))
+  (rustic-format-trigger 'on-save))
 
 ;; lsp configuration
 (use-package lsp-mode