diff --git a/rustic-rustfmt.el b/rustic-rustfmt.el
index 4a8af7c..faee596 100644
--- a/rustic-rustfmt.el
+++ b/rustic-rustfmt.el
@@ -464,6 +464,15 @@ Otherwise turn off rustic format functionality and run `save-some-buffers'."
 (advice-add 'save-some-buffers :around
             #'rustic-save-some-buffers-advice)
 
+(defun rustic-generate-project-rustfmt-toml ()
+  "Generate a default `rustfmt.toml' file in the project root."
+  (let* ((root (rustic-buffer-crate t))
+         (file (expand-file-name "rustfmt.toml" root)))
+    (unless (file-exists-p file)
+      (with-temp-file file
+        (insert "edition = \"2015\"\n")
+        ))))
+
 ;;; _
 (provide 'rustic-rustfmt)
 ;;; rustic-rustfmt.el ends here