final Namespace ns, final Manager m, final OutputWriter outputWriter
) throws CommandException {
final var contacts = ns.<String>getList("recipient");
- for (var contact : CommandUtil.getSingleRecipientIdentifiers(contacts, m.getUsername())) {
+ for (var contact : CommandUtil.getSingleRecipientIdentifiers(contacts, m.getSelfNumber())) {
try {
m.setContactBlocked(contact, true);
} catch (NotMasterDeviceException e) {