diff --git a/graphics/nvidia-texture-tools/Makefile b/graphics/nvidia-texture-tools/Makefile
index 3cc8638c7705..9dbf4ce8c1c0 100644
--- a/graphics/nvidia-texture-tools/Makefile
+++ b/graphics/nvidia-texture-tools/Makefile
@@ -1,35 +1,36 @@
 PORTNAME=	nvidia-texture-tools
 PORTVERSION=	2.1.2
 CATEGORIES=	graphics
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Texture Tools with support for DirectX 10 texture formats
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	i386 amd64 powerpc powerpc64 armv6 aarch64 powerpc64le # see src/nvcore/nvcore.h
+BROKEN_aarch64=	error: use of undeclared identifier '__builtin_ia32_emms'
 
 USES=		cmake compiler:c++11-lang
 CMAKE_ON=	NVTT_SHARED \
 		NVCORE_SHARED \
 		NVTHREAD_SHARED \
 		NVIMAGE_SHARED
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	castano
 USE_LDCONFIG=	yes
 
 CFLAGS_i386=	-msse -msse2
 
 PORTDOCS=	ChangeLog README.md
 
 OPTIONS_DEFINE=	DOCS
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 .for f in ${PORTDOCS}
 	${INSTALL_DATA} ${WRKSRC}/${f} ${STAGEDIR}${DOCSDIR}
 .endfor
 
 .include <bsd.port.mk>