diff --git a/guides/source/testing.md b/guides/source/testing.md
index 8a4a47950804953efe183b778a585eecafec865d..1b9af789c973e57510702e924788d9de03894954 100644
--- a/guides/source/testing.md
+++ b/guides/source/testing.md
@@ -1443,7 +1443,7 @@ You may find it convenient to eagerly require helpers in `test_helper.rb` so you
 
 ```ruby
 # test/test_helper.rb
-Dir[Rails.root.join('lib', 'test', '**', '*.rb')].each { |file| require file }
+Dir[Rails.root.join('test', 'test_helpers', '**', '*.rb')].each { |file| require file }
 ```
 
 This has the downside of increasing the boot-up time, as opposed to manually requiring only the necessary files in your individual tests.