diff --git a/net/vether-kmod/Makefile b/net/vether-kmod/Makefile
index fad95046ed73..3b9860262b1e 100644
--- a/net/vether-kmod/Makefile
+++ b/net/vether-kmod/Makefile
@@ -1,32 +1,35 @@
 PORTNAME=	vether-kmod
 DISTVERSION=	g20211214
 PORTREVISION=	1
 CATEGORIES=	net
 
 MAINTAINER=	henning.matyschok@outlook.com
 COMMENT=	Virtual Ethernet Interface
 WWW=		https://github.com/hmatyschok/if_vether
 
 LICENSE=	BSD2CLAUSE ISCL
 LICENSE_COMB=	multi
 
 USES=		kmod uidfix
 
+BROKEN_FreeBSD_15=	if_vether.c:145:16: error: incomplete definition of type 'struct ifnet'
+BROKEN_FreeBSD_16=	if_vether.c:145:16: error: incomplete definition of type 'struct ifnet'
+
 USE_GITHUB=	yes
 GH_ACCOUNT=	hmatyschok
 GH_PROJECT=	if_vether
 GH_TAGNAME=	511ee3b393029cfff0c5b1873fe0a16f077a7459
 
 WRKSRC_SUBDIR=	src
 
 PLIST_FILES=	${KMODDIR}/if_vether.ko \
 		share/man/man4/if_vether.4.gz \
 		share/man/man4/vether.4.gz
 
 post-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/share/man/man4
 	${INSTALL_DATA} ${WRKSRC}/if_vether.4 ${STAGEDIR}${PREFIX}/share/man/man4
 	@${RLN} ${STAGEDIR}${PREFIX}/share/man/man4/if_vether.4 \
 		${STAGEDIR}${PREFIX}/share/man/man4/vether.4
 
 .include <bsd.port.mk>