client_entry->username, client_entry->hostname);
signal_emit("message join", 4, server, channel->channel_name,
client_entry->nickname,
- client_entry->username == NULL ? "" : buf);
+ !client_entry->username[0] ? "" : buf);
/* If there are multiple same nicknames on channel now, tell it to user. */
if (client_entry != server->conn->local_entry) {