--- install.rb.orig	2007-03-03 21:09:00.000000000 +0900
+++ install.rb	2008-09-06 14:48:35.000000000 +0900
@@ -12,7 +12,7 @@
 
 def target_directory
   $:.each {|loc|
-    if %r{/site_ruby/[\d.]+\z} =~ loc
+    if %r{/vendor_ruby/[\d.]+\z} =~ loc
       return loc
     end
   }