diff --git a/comms/yawmppp/Makefile b/comms/yawmppp/Makefile
index cbfcdfc716ea..5174a0963cd9 100644
--- a/comms/yawmppp/Makefile
+++ b/comms/yawmppp/Makefile
@@ -45,4 +45,10 @@ do-install:
 .endfor
 .endif
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OSVERSION} >= 800064
+BROKEN=		does not build
+.endif
+
+.include <bsd.port.post.mk>