diff --git a/net/yt/Makefile b/net/yt/Makefile
index ebe1b701a79..e7dcf7ab8b7 100644
--- a/net/yt/Makefile
+++ b/net/yt/Makefile
@@ -1,8 +1,8 @@
-# $OpenBSD: Makefile,v 1.23 2009/01/06 12:35:27 sthen Exp $
+# $OpenBSD: Makefile,v 1.24 2009/01/06 18:48:17 martynas Exp $
 
 COMMENT=	customizable script to fetch youtube videos
 
-PKGNAME=	yt-9p2
+PKGNAME=	yt-9p3
 CATEGORIES=	net www
 DISTFILES=
 
diff --git a/net/yt/files/yt.lua b/net/yt/files/yt.lua
index d55aa16e716..018a3effd2c 100644
--- a/net/yt/files/yt.lua
+++ b/net/yt/files/yt.lua
@@ -1,5 +1,5 @@
 #!${LOCALBASE}/bin/lua
--- $OpenBSD: yt.lua,v 1.17 2009/01/06 12:35:27 sthen Exp $
+-- $OpenBSD: yt.lua,v 1.18 2009/01/06 18:48:17 martynas Exp $
 -- Fetch videos from YouTube.com and convert them to MPEG.
 -- Written by Pedro Martelletto in August 2006. Public domain.
 -- Example: lua yt.lua http://www.youtube.com/watch?v=c5uoo1Kl_uA
@@ -30,8 +30,9 @@ pattern = "<title>(.-)</title>"
 title = assert(string.match(body, pattern))
 
 -- Fetch high quality if available
-if (string.match(body, "yt.VideoQualityConstants.HIGH") ~= nil) then
-	fmt = "&fmt=6"
+if (string.match(body, "yt.VideoQualityConstants.HIGH") ~= nil) and
+   (string.match(body, "/watch_fullscreen%?.*fmt_map=[^&]*6[^&]*&") ~= nil) then
+	fmt = "%&fmt=6"
 else
 	fmt = ""
 end