diff --git a/math/tblis/Makefile b/math/tblis/Makefile
index c84d62bf5be7..24846640a725 100644
--- a/math/tblis/Makefile
+++ b/math/tblis/Makefile
@@ -1,37 +1,39 @@
 PORTNAME=	tblis
 PORTVERSION=	1.2.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math
 
 MAINTAINER=	jmd@FreeBSD.org
 COMMENT=	Framework for performing tensor operations
 WWW=		https://github.com/devinamatthews/tblis
 
+BROKEN_FreeBSD_14=	error: static_assert failed due to requirement
+
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON=	requires SSE
 
 OPTIONS_DEFINE=	PARA
 PARA_DESC=	use pthread parallelization
 OPTIONS_DEFAULT=	PARA
 
 USES=		compiler:c++11-lang gmake libtool
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	devinamatthews
 
 HAS_CONFIGURE=	yes
 
 PARA_CONFIGURE_ON=	--enable-thread-model=pthreads
 PARA_CONFIGURE_OFF=	--enable-thread-model=none
 
 INSTALL_TARGET=	install-strip
 
 post-patch:
 # Avoid conflict with C++20 <version> by ignoring <...> under WRKSRC
 	@${REINPLACE_CMD} -i .c++20 's/-I/-iquote/g' ${WRKSRC}/Makefile.in
 
 .include <bsd.port.mk>