diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 2162c58..6d0c91a 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -102,6 +102,12 @@
           (set-visited-file-name new-name)
           (set-buffer-modified-p nil)))))))
 
+(defadvice ido-find-file (after find-file-sudo activate)
+  "Find file as root if necessary."
+  (unless (and buffer-file-name
+               (file-writable-p buffer-file-name))
+    (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
+
 (custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.