diff --git a/science/siesta/Makefile b/science/siesta/Makefile
index b6ec405b643f..ef3ccaf54120 100644
--- a/science/siesta/Makefile
+++ b/science/siesta/Makefile
@@ -1,45 +1,49 @@
 PORTNAME=	siesta
 DISTVERSION=	4.1.5
 CATEGORIES=	science # chemistry
 MASTER_SITES=	https://gitlab.com/siesta-project/${PORTNAME}/-/releases/v${DISTVERSION}/downloads/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Program to perform efficient electronic structure calculations
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/../COPYING
 
-.for arch in aarch64 powerpc powerpc64 powerpc64le
-BROKEN_${arch}=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
-.endfor
+BROKEN_aarch64=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+BROKEN_FreeBSD_12_powerpc=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+BROKEN_FreeBSD_12_powerpc64=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+BROKEN_FreeBSD_13_powerpc=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+BROKEN_FreeBSD_13_powerpc64=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+BROKEN_FreeBSD_13_powerpc64le=	Lack of IEEE754 support in gcc causes "Cannot find an intrinsic module named 'ieee_arithmetic'", see bug#255890
+
 
 LIB_DEPENDS=	libblas.so:math/blas \
 		liblapack.so:math/lapack
 
 USES=		fortran gmake localbase:ldflags
 
 ALL_TARGET=	default
 
 WRKSRC_SUBDIR=	Obj
 
 PLIST_FILES=	bin/${PORTNAME}
 
 BINARY_ALIAS=	gfortran=gfortran${GCC_DEFAULT} gcc=gcc${GCC_DEFAULT}
 
 .include <bsd.port.pre.mk>
 
 .if ${GCC_DEFAULT} >= 10
 # workaround for Type mismatch between actual argument at (1) and actual argument at (2) (COMPLEX(8)/REAL(8)).
 FFLAGS+=	-fallow-argument-mismatch
 MAKE_ARGS=	FFLAGS="${FFLAGS} -O2 -fPIC -ftree-vectorize"
 .endif
 
 pre-configure:
 	@cd ${WRKSRC} && \
 		${SETENV} ${MAKE_ENV} ${SH} ../Src/obj_setup.sh && \
 		${LN} -s gfortran.make arch.make
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.post.mk>