diff --git a/games/dxx-rebirth/Makefile b/games/dxx-rebirth/Makefile
index 376e340ead2e..e77b93291686 100644
--- a/games/dxx-rebirth/Makefile
+++ b/games/dxx-rebirth/Makefile
@@ -1,42 +1,44 @@
 PORTNAME=	dxx-rebirth
 PORTVERSION=	20231232
 CATEGORIES=	games
 
 MAINTAINER=	pkubaj@FreeBSD.org
 COMMENT=	Open source port of Descent and Descent 2
 WWW=		https://www.dxx-rebirth.com/
 
 LICENSE=	GPLv3 PARALLAX
 LICENSE_COMB=	multi
 LICENSE_NAME_PARALLAX=	original Parallax license
 LICENSE_FILE_GPLv3=	${WRKSRC}/GPL-3.txt
 LICENSE_FILE_PARALLAX=	${WRKSRC}/COPYING.txt
 LICENSE_PERMS_PARALLAX=	dist-mirror pkg-mirror auto-accept
 
+BROKEN_aarch64=	clang crashes, see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276700
+
 BUILD_DEPENDS=	as:devel/binutils
 LIB_DEPENDS=	libphysfs.so:devel/physfs \
 		libpng.so:graphics/png
 
 USES=		compiler:c++17-lang gl localbase:ldflags pkgconfig scons sdl \
 		tar:xz
 USE_GL=		gl glu
 USE_GITHUB=	yes
 GH_TAGNAME=	4efe4c9
 USE_SDL=	image2 mixer2 sdl2
 
 MAKE_ARGS=	ignore_unknown_variables=1 sdl2=1
 
 PLIST_FILES=	bin/d1x-rebirth \
 		bin/d2x-rebirth
 
 .include <bsd.port.pre.mk>
 
 .if ${ARCH} != riscv64
 MAKE_ARGS+=	lto=1
 .endif
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/d1x-rebirth \
 		${STAGEDIR}${PREFIX}/bin/d2x-rebirth
 
 .include <bsd.port.post.mk>