diff --git a/lib/devise.rb b/lib/devise.rb
index 93559195..fd6e9c91 100644
--- a/lib/devise.rb
+++ b/lib/devise.rb
@@ -1,3 +1,4 @@
+require 'rails'
 require 'active_support/core_ext/numeric/time'
 require 'active_support/dependencies'
 require 'orm_adapter'