diff --git a/petrol-theme.el b/petrol-theme.el
index 09ac0b1..b7f1eba 100644
--- a/petrol-theme.el
+++ b/petrol-theme.el
@@ -768,3 +768,7 @@
 (provide 'petrol-theme)
 
 ;;; petrol-theme.el ends here
+
+;; Local Variables:
+;; eval: (rainbow-mode)
+;; End: