diff --git a/railties/Rakefile b/railties/Rakefile
index cb482c90bf710724933b1019906a89f6a2665f52..07c2ff84a0759ea2a2916ae1866397622af68cb8 100644
--- a/railties/Rakefile
+++ b/railties/Rakefile
@@ -1,3 +1,8 @@
+begin
+  require File.expand_path('../../vendor/gems/environment', __FILE__)
+rescue LoadError
+end
+
 require 'rake'
 require 'rake/testtask'
 require 'rake/rdoctask'