diff --git a/blog/blog-2012-08-02-0027.org b/blog/blog-2012-08-02-0027.org
index 1a91be7..86a205b 100644
--- a/blog/blog-2012-08-02-0027.org
+++ b/blog/blog-2012-08-02-0027.org
@@ -34,15 +34,16 @@ different major modes.  This is handy for messing around with some
     (let* ((bname (if mode
                       (concat "*" mode "-scratch*")
                     "*scratch*"))
-           (buffer (get-buffer bname)))
+           (buffer (get-buffer bname))
+           (mode-sym (intern (concat mode "-mode"))))
 
       (unless buffer
         (setq buffer (generate-new-buffer bname))
         (with-current-buffer buffer
-          (add-file-local-variable-prop-line 'mode (make-symbol mode))
-          (set-auto-mode t)
-          (goto-char (point-max))
-          (newline)))
+          (when (fboundp mode-sym)
+            (funcall mode-sym)
+            (goto-char (point-max))
+            (newline))))
 
       (switch-to-buffer buffer)))
 #+end_src
@@ -71,3 +72,5 @@ Of course, this approach doesn't ensure the right major mode gets
 chosen, but that's really up to whomever uses it.
 
 It makes me very happy to use such an extensible editor.
+
+*Update:* fixed my flawed code.