diff --git a/invenio_accounts/config.py b/invenio_accounts/config.py
index d02ffc5a..e5a582a7 100644
--- a/invenio_accounts/config.py
+++ b/invenio_accounts/config.py
@@ -10,6 +10,7 @@
 """Default configuration for ACCOUNTS."""
 
 from datetime import timedelta
+from flask_babelex import lazy_gettext as _
 
 from .profiles import UserPreferencesSchema, UserProfileSchema
 from .views import login
@@ -322,7 +323,7 @@
           to reflect the changes.
 """
 
-ACCOUNTS_USERNAME_RULES_TEXT = (
+ACCOUNTS_USERNAME_RULES_TEXT = _(
     'Username must start with a letter, be at least three characters long and'
     ' only contain alphanumeric characters, dashes and underscores.'
 )