diff --git a/activemodel/examples/validations.rb b/activemodel/examples/validations.rb
index c94cd17e18..b8e74acd5e 100644
--- a/activemodel/examples/validations.rb
+++ b/activemodel/examples/validations.rb
@@ -1,3 +1,4 @@
+require File.expand_path('../../../load_paths', __FILE__)
 require 'active_model'
 
 class Person