diff --git a/test/rails_app/config/initializers/devise.rb b/test/rails_app/config/initializers/devise.rb
index a3a339edc1..c2fde99146 100644
--- a/test/rails_app/config/initializers/devise.rb
+++ b/test/rails_app/config/initializers/devise.rb
@@ -99,7 +99,7 @@
   # config.password_length = 8..72
 
   # Regex to use to validate the email address
-  # config.email_regexp = /^([\w\.%\+\-]+)@([\w\-]+\.)+([\w]{2,})$/i
+  # config.email_regexp = /\A([\w.%+-]+)@([\w-]+.)+([\w]{2,})\z/i
 
   # ==> Configuration for :timeoutable
   # The time you want to timeout the user session without activity. After this