diff --git a/kike.c b/kike.c
index a2820ee..72fc06f 100644
--- a/kike.c
+++ b/kike.c
@@ -1035,7 +1035,8 @@ irc_try_finish_registration (struct client *c)
 	irc_send_reply (c, IRC_RPL_MYINFO, ctx->server_name, PROGRAM_VERSION,
 		IRC_SUPPORTED_USER_MODES, IRC_SUPPORTED_CHAN_MODES);
 
-	// TODO: also output IRC_RPL_ISUPPORT
+	// TODO: give more information where we don't use the default
+	irc_send_reply (c, IRC_RPL_ISUPPORT, "CHANTYPES=#");
 
 	irc_send_lusers (c);
 	irc_send_motd (c);