diff --git a/README.org b/README.org
index 1bca11b..511ce09 100644
--- a/README.org
+++ b/README.org
@@ -4399,6 +4399,7 @@ Listing [[lst:bug-reference-mode]] configures ~bug-reference-mode~ for use with
 (defvar bug-reference-url-format
   "https://debbugs.gnu.org/cgi/bugreport.cgi?bug=%s"
   "Format to use `gnu-debbugs' URL.")
+(add-to-list 'safe-local-eval-forms '(bug-reference-mode +1))
 (put 'bug-reference-mode 'safe-local-variable 'booleanp)
 #+end_src
 
@@ -5815,6 +5816,7 @@ for ~mpv~ while eliminating use of ~mpd~.
 ;; Emacs looks for "Local variables:" after the last "form-feed".
 
 ;; Local Variables:
+;; eval: (bug-reference-mode +1)
 ;; indent-tabs-mode: nil
 ;; End:
 ;;; init.el ends here