diff --git a/config/initializers/constants.rb b/config/initializers/constants.rb
index b6c48d551..3928fb71e 100644
--- a/config/initializers/constants.rb
+++ b/config/initializers/constants.rb
@@ -202,7 +202,7 @@ class Constants
   ].freeze
 
   # Very basic regex to check for validity of emails
-  BASIC_EMAIL_REGEX = /^[^@]+@[^@]+\.[^@]+$/
+  BASIC_EMAIL_REGEX = URI::MailTo::EMAIL_REGEXP
 
   # Organization name for default admin user
   DEFAULT_PRIVATE_ORG_NAME = 'My projects'.freeze