diff --git a/science/dftd4/Makefile b/science/dftd4/Makefile
index bfed16318abd..39dd14aaa8c5 100644
--- a/science/dftd4/Makefile
+++ b/science/dftd4/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	dftd4
 DISTVERSIONPREFIX=	v
 DISTVERSION=	3.3.0
 PORTREVISION=	1
 CATEGORIES=	science # chemistry
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Atomic-charge dependent london dispersion correction computation
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN_aarch64=	Cannot open module file 'ieee_arithmetic.mod' for reading at (1): No such file or directory
+
 BUILD_DEPENDS=	mstore>0:science/mstore
 LIB_DEPENDS=	libmctc-lib.so:science/mctc-lib \
 		libmulticharge.so:science/multicharge \
 		libopenblas.so:math/openblas
 
 USES=		cmake:testing fortran
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 
 post-patch: # see https://github.com/toml-f/toml-f/issues/51
 	@${REINPLACE_CMD} -e 's|$${CMAKE_Fortran_COMPILER_ID}-$${CMAKE_Fortran_COMPILER_VERSION}||' ${WRKSRC}/config/CMakeLists.txt
 
 .include <bsd.port.mk>