diff --git a/x11-drivers/xf86-video-ati/Makefile b/x11-drivers/xf86-video-ati/Makefile
index 5ac3cd07c8b3..0f173cd9a0eb 100644
--- a/x11-drivers/xf86-video-ati/Makefile
+++ b/x11-drivers/xf86-video-ati/Makefile
@@ -1,21 +1,23 @@
 # New ports collection makefile for:	xf86-video-ati
 # Date Created:				17 Feb 2006
 # Whom:					Florent Thoumie <flz@FreeBSD.org>
 #
 # $FreeBSD$
 #
 
 PORTNAME=	xf86-video-ati
 PORTVERSION=	6.14.3
 PORTREVISION=	1
 CATEGORIES=	x11-drivers
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	X.Org ati display driver
 
 USE_GL=		gl
 XORG_CAT=	driver
 USE_XORG=	xf86driproto xineramaproto videoproto xf86miscproto xextproto glproto
 MAN4=		ati.4x radeon.4x
 
+CONFIGURE_ARGS+=--disable-kms
+
 .include <bsd.port.mk>