diff --git a/scripts/colo.py b/scripts/colo.py
index f63ee58..94b5b00 100644
--- a/scripts/colo.py
+++ b/scripts/colo.py
@@ -150,16 +150,17 @@ def cb_colo (data, mod, buf, input):
 
 	fmt = "%".join(fmt)
 	nest = is_command(fmt)
-	iptr = weechat.infolist_get("irc_server", "", weechat.buffer_get_string(
-		buf, "localvar_server"))
+	servername = weechat.buffer_get_string(buf, "localvar_server")
+	iptr = weechat.infolist_get("irc_server", "", servername)
 	weechat.infolist_next(iptr)
 	long_lines = weechat.infolist_integer(iptr, "cap_long_lines")
 	weechat.infolist_free(iptr)
 
-	l = ((512 if long_lines else 0) + 409 - len(fmt) -
-	 int( weechat.info_get("irc_server_isupport_value", "%s,NICKLEN" %
-	 weechat.buffer_get_string(buf, "localvar_server")) )
-	 )
+	nicklen = weechat.info_get("irc_server_isupport_value", "%s,NICKLEN" %
+	 servername)
+	if not nicklen: nicklen = 9
+
+	l = ((512 if long_lines else 0) + 409 - len(fmt) - int(nicklen))
 	o = []
 	for line in input.replace("\r", "\n").split("\n"):
 		if not line: continue