Index: head/science/esys-particle/Makefile
===================================================================
--- head/science/esys-particle/Makefile	(revision 501990)
+++ head/science/esys-particle/Makefile	(revision 501991)
@@ -1,26 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	esys-particle
 DISTVERSION=	2.3.5
 PORTREVISION=	4
 CATEGORIES=	science
-MASTER_SITES=	https://launchpad.net/esys-particle/trunk/${DISTVERSION}/+download/
+MASTER_SITES=	https://launchpad.net/${PORTNAME}/trunk/${DISTVERSION}/+download/
 DISTNAME=	ESyS-Particle-${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Particle-based numerical modelling software
 
 LICENSE=	APACHE20
+
+BROKEN_FreeBSD_13=	The upstream doesn't answer bug reports: https://bugs.launchpad.net/esys-particle/+bug/1808617
 
 LIB_DEPENDS=	libboost_system.so:devel/boost-libs \
 		libmpi.so:net/mpich
 
 USES=		cmake fortran
 USE_LDCONFIG=	yes
 
 LDFLAGS+=	${LOCALBASE}/lib/libboost_filesystem.so
 
 pre-build:
 	@${ECHO} "static int s_bzr_revision=-1;" > ${WRKSRC}/bzrversion.h
 
 .include <bsd.port.mk>