diff --git a/www/osrm-backend/Makefile b/www/osrm-backend/Makefile
index e9543fd55223..de4511970e36 100644
--- a/www/osrm-backend/Makefile
+++ b/www/osrm-backend/Makefile
@@ -1,49 +1,49 @@
 PORTNAME=	osrm-backend
 DISTVERSIONPREFIX=	v
 DISTVERSION=	5.28.0.d20240803
 PORTREVISION=	3
 CATEGORIES=	www
 
 MAINTAINER=	freebsd@mosedal.net
 COMMENT=	Open Source Routing Machine (Backend)
 WWW=		https://project-osrm.org/
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.TXT
 
-NOT_FOR_ARCHS=	armv7 i386
+NOT_FOR_ARCHS=	armv7 i386 powerpc
 NOT_FOR_ARCHS_REASON=	Building on a 32 bit system is not supported
 
 BUILD_DEPENDS=	${LOCALBASE}/include/sol:devel/sol2
 LIB_DEPENDS=	libboost_date_time.so:devel/boost-libs \
 		libboost_iostreams.so:devel/boost-libs \
 		libboost_program_options.so:devel/boost-libs \
 		libboost_regex.so:devel/boost-libs \
 		libboost_thread.so:devel/boost-libs \
 		libexpat.so:textproc/expat2 \
 		libtbb.so:devel/onetbb
 
 USES=		cmake compiler:c++20-lang lua:54 pkgconfig
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Project-OSRM
 GH_TAGNAME=	203314b1
 
 USE_RC_SUBR=	osrm
 CMAKE_ON=	BUILD_STATIC_LIBS
 USERS=		osrm
 GROUPS=		osrm
 
 pre-configure:
 	${REINPLACE_CMD} \
 		-e 's,$${CMAKE_CURRENT_SOURCE_DIR}/third_party/sol2/include,${LOCALBASE}/include/sol,' \
 		${WRKSRC}/CMakeLists.txt
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|-Werror=all -Werror=extra|-Werror=extra|g' \
 		${PATCH_WRKSRC}/CMakeLists.txt
 
 pre-install:
 	@${MKDIR} ${STAGEDIR}/var/db/osrm-backend
 
 .include <bsd.port.mk>