--- rubygems-1.3.5/lib/rubygems/defaults.rb.noarch	2009-06-23 07:54:36.000000000 +0900
+++ rubygems-1.3.5/lib/rubygems/defaults.rb	2009-09-21 00:29:09.000000000 +0900
@@ -25,8 +25,10 @@
       File.join(ConfigMap[:libdir], ConfigMap[:ruby_install_name], 'gems',
                 ConfigMap[:ruby_version])
     else
-      File.join(ConfigMap[:libdir], ruby_engine, 'gems',
-                ConfigMap[:ruby_version])
+      gemdir = File::expand_path(File::join(ConfigMap[:sitedir],"..","gems"))
+      File.join(gemdir, ConfigMap[:ruby_version])
+#      File.join(ConfigMap[:libdir], ruby_engine, 'gems',
+#                ConfigMap[:ruby_version])
     end
   end