diff --git a/math/asymptote/Makefile b/math/asymptote/Makefile
index 3f755dca9894..35e73bd96fea 100644
--- a/math/asymptote/Makefile
+++ b/math/asymptote/Makefile
@@ -1,95 +1,96 @@
 # Created by: Nicola Vitale <nivit@email.it>
 
 PORTNAME=	asymptote
 PORTVERSION=	2.81
 CATEGORIES=	math
 MASTER_SITES=	SF/${PORTNAME}/${PORTVERSION}
 DISTNAME=	${PORTNAME}-${PORTVERSION}.src
 
 PATCH_SITES=	https://github.com/vectorgraphics/asymptote/commit/
 PATCHFILES+=	fa28442195bd99b9bac87e3ff752953ac57ee172.patch:-p1 # backport fix for https://github.com/vectorgraphics/asymptote/issues/328
 
 MAINTAINER=	nivit@FreeBSD.org
 COMMENT=	Powerful script-based vector graphics language
 
 LICENSE=	GPLv3 LGPL3
 LICENSE_COMB=	dual
 
 ONLY_FOR_ARCHS=	amd64 i386
+BROKEN_FreeBSD_12_i386=	./base/plain_filldraw.asy: 21.5: runtime: gmake[2]: *** [Makefile:42: makepen.pdf] Floating point exception (core dumped)
 
 LIB_DEPENDS=	libboost_filesystem.so:devel/boost-libs \
 		libcurl.so:ftp/curl \
 		libsigsegv.so:devel/libsigsegv
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cson>=0.8:devel/py-cson@${PY_FLAVOR} \
 		${PY_PILLOW}
 
 USES=		compiler:c++14-lang gettext-runtime ghostscript gl gmake gnome ncurses perl5 python:3.6+ \
 		pyqt:5 shebangfix tar:tgz
 SHEBANG_FILES=	GUI/*.py
 USE_GL=		gl glu glut
 USE_GNOME=	librsvg2:run
 USE_PERL5=	build
 USE_TEX=	dvipsk formats
 USE_PYQT=	pyqt5_run
 
 CPPFLAGS+=	-I${LOCALBASE}/include
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-lsp # disable the module with Boost-related errors
 
 MAKE_ENV=	ASYMPTOTE_HOME=${WRKDIR} HOME=${WRKDIR}
 MAKE_JOBS_UNSAFE=	yes # see https://github.com/vectorgraphics/asymptote/issues/331
 
 ALL_TARGET=	asy asy-keywords.el
 INSTALL_TARGET=	install-asy
 
 SUB_FILES=	pkg-message
 WRKSRC=		${WRKDIR}/${PORTNAME}-${PORTVERSION}
 
 OPTIONS_DEFAULT=	FFTW GSL MANPAGES READLINE
 OPTIONS_DEFINE=		BDWGC DOCS EXAMPLES FFTW GSL MANPAGES OFFSCREEN READLINE
 
 BDWGC_LIB_DEPENDS=	libgc-threaded.so:devel/boehm-gc-threaded
 BDWGC_DESC=		Enable Boehm-Demers-Weiser garbage collector
 BDWGC_CONFIGURE_ENABLE=	gc=${LOCALBASE}
 
 DOCS_ALL_TARGET=	html
 DOCS_BUILD_DEPENDS=	texi2dvi:print/texinfo
 DOCS_CONFIGURE_WITH=	docdir=${DOCSDIR}
 DOCS_INSTALL_TARGET=	install-html
 
 FFTW_CONFIGURE_ENABLE=	fftw
 FFTW_DESC=	Use FFTW to compute the Discrete Fourier Transform
 FFTW_LIB_DEPENDS=	libfftw3.so:math/fftw3
 
 GSL_CONFIGURE_ENABLE=	gsl
 GSL_DESC=	Enable GNU Scientific library
 GSL_LIB_DEPENDS=	libgsl.so:math/gsl
 
 MANPAGES_ALL_TARGET=	man
 MANPAGES_BUILD_DEPENDS=	texi2dvi:print/texinfo
 MANPAGES_INFO=	asy-faq
 
 OFFSCREEN_CONFIGURE_ENABLE=	offscreen
 OFFSCREEN_DESC=	Enable offscreen rendering using OSMesa library
 OFFSCREEN_LIB_DEPENDS=	libOSMesa.so:graphics/libosmesa
 
 READLINE_CONFIGURE_ENABLE=	readline
 READLINE_USES=	readline
 
 TEST_TARGET=	test
 TEST_WRKSRC=	${WRKSRC}/tests
 
 PORTEXAMPLES=	*
 
 post-patch:
 	@${REINPLACE_CMD} 's/-lgc/-lgc-threaded/' ${WRKSRC}/configure
 	@${REINPLACE_CMD} 's,makeinfo,${LOCALBASE}/bin/makeinfo,' \
 		${WRKSRC}/doc/png/Makefile.in
 
 # Fix the python interpreter in the generated file share/asymptote/GUI/xasyVersion.py:
 	@${REINPLACE_CMD} 's,/usr/bin/env python3,${PYTHON_CMD},' ${WRKSRC}/Makefile.in
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/asy
 
 .include <bsd.port.mk>