diff --git a/math/lrslib/Makefile b/math/lrslib/Makefile
index fb527225bbec..f3edd962d4dd 100644
--- a/math/lrslib/Makefile
+++ b/math/lrslib/Makefile
@@ -1,30 +1,31 @@
 PORTNAME=	lrslib
 PORTVERSION=	071a
 CATEGORIES=	math
 MASTER_SITES=	http://cgm.cs.mcgill.ca/~avis/C/lrslib/archive/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Reverse search algorithm for vertex enumeration/convex hull problems
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BROKEN_i386=	error: __int128 is not supported on this target
+BROKEN_powerpc=	error: __int128 is not supported on this target
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 USES=		compiler:c11 gmake libtool localbase:ldflags
 USE_LDCONFIG=	yes
 
 MAKEFILE=	makefile
 
 ALL_TARGET=	all-shared
 
 MAKE_ARGS=	CFLAGS="${CFLAGS}" INCLUDEDIR=${LOCALBASE}/include LIBDIR=${LOCALBASE}/lib
 
 LDFLAGS+=	-lthr
 
 post-install:
 	@cd ${STAGEDIR}${PREFIX} && ${STRIP_CMD} bin/* lib/*.so
 
 .include <bsd.port.mk>