diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index 28ef1a0..d2772c4 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -18,7 +18,7 @@ Devise.setup do |config|
   # Configure the e-mail address which will be shown in Devise::Mailer,
   # note that it will be overwritten if you use your own mailer class
   # with default "from" parameter.
-  config.mailer_sender = 'chexpire@example.com'
+  config.mailer_sender = Rails.configuration.chexpire.fetch("mailer_default_from")
 
   # Configure the class responsible to send e-mails.
   # config.mailer = 'Devise::Mailer'