Index: head/science/py-PyQuante/Makefile
===================================================================
--- head/science/py-PyQuante/Makefile	(revision 473289)
+++ head/science/py-PyQuante/Makefile	(revision 473290)
@@ -1,20 +1,22 @@
 # $FreeBSD$
 
 PORTNAME=	PyQuante
 DISTVERSION=	1.6.5
 CATEGORIES=	science python
 MASTER_SITES=	SF/${PORTNAME:tl}/${PORTNAME}-${DISTVERSION:R}/${PORTNAME}-${DISTVERSION}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Quantum chemistry in Python
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN_aarch64=		fails to compile: Src/PyQuante/contracted_gto.c:2063:46: error: no member named 'd_type' in 'PyMethodDescrObject'
+
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		python:2.7
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.mk>