diff --git a/custom-variables.el b/custom-variables.el
index ab07b20..d643482 100644
--- a/custom-variables.el
+++ b/custom-variables.el
@@ -4,6 +4,9 @@
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
  '(ac-menu-height 15)
+ '(ack-arguments (quote ("--ignore-dir=vendor/ruby")))
+ '(ack-project-root-file-patterns (quote (".project\\'" ".xcodeproj\\'" ".sln\\'" "\\`Project.ede\\'" "\\`.git\\'" "\\`.bzr\\'" "\\`_darcs\\'" "\\`.hg\\'" "\\`Gemfile\\'" "\\`Rakefile\\'")))
+ '(ack-prompt-for-directory (quote unless-guessed))
  '(aquamacs-additional-fontsets nil t)
  '(aquamacs-customization-version-id 211 t)
  '(aquamacs-tool-bar-user-customization nil t)