diff --git a/invenio.cfg b/invenio.cfg
index d46fcae3..53b5d4cf 100644
--- a/invenio.cfg
+++ b/invenio.cfg
@@ -402,6 +402,7 @@ SECURITY_RECOVERABLE = True  # local login: allow users to reset the password
 SECURITY_CHANGEABLE = True  # local login: allow users to change psw
 SECURITY_CONFIRMABLE = True  # local login: users can confirm e-mail address
 SECURITY_LOGIN_WITHOUT_CONFIRMATION = False # don't allow users to login without confirming
+SECURITY_EMAIL_SUBJECT_REGISTER = _("Welcome to Zenodo!")
 
 # Invenio-OAuthclient
 # ===================