diff --git a/lang/gnat-gcc42/Makefile b/lang/gnat-gcc42/Makefile
index 20c71dcb37e0..b32765e78671 100644
--- a/lang/gnat-gcc42/Makefile
+++ b/lang/gnat-gcc42/Makefile
@@ -52,6 +52,10 @@ LATEST_LINK=		${PORTNAME}${gcc_suffix}
 
 .include <bsd.port.pre.mk>
 
+.if ${OSVERSION} >= 800000
+BROKEN=		does not support FreeBSD 8.x
+.endif
+
 srcdir=			${WRKDIR}/gcc-${PORTVERSION}
 gcc_suffix=		42
 fsf_mans=		fsf-funding gfdl gpl