for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
if (Client_Type(cl) != CLIENT_USER)
continue;
- if (nick != NULL) {
+ if (nick != NULL && host != NULL) {
if (strcmp(nick, Client_ID(cl)) == 0 &&
strcmp(user, Client_User(cl)) == 0 &&
strcasecmp(host, Client_Hostname(cl)) == 0)