diff --git a/net/ntpd-rs/Makefile b/net/ntpd-rs/Makefile
index 0a63ab37f8f4..b91ebb307d37 100644
--- a/net/ntpd-rs/Makefile
+++ b/net/ntpd-rs/Makefile
@@ -1,38 +1,41 @@
 PORTNAME=	ntpd-rs
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.2.2
 CATEGORIES=	net
 
 MAINTAINER=	mikael@FreeBSD.org
 COMMENT=	Full-featured implementation of the Network Time Protocol
 WWW=		https://tweedegolf.nl/en/pendulum
 
 LICENSE=	APACHE20 MIT
 LICENSE_COMB=	dual
 LICENSE_FILE_APACHE20=	${WRKSRC}/LICENSE-APACHE
 LICENSE_FILE_MIT=	${WRKSRC}/LICENSE-MIT
 
+NOT_FOR_ARCHS=	i386
+NOT_FOR_ARCHS_REASON=	the ring crate requires SSE2 instruction on intel cpu
+
 USES=		cargo
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	pendulum-project
 
 USE_RC_SUBR=	ntp_daemon
 USERS=		_ntp
 GROUPS=		_ntp
 
 BINFILES=	ntp-ctl ntp-daemon ntp-metrics-exporter nts-pool-ke
 
 post-patch:
 	@${REINPLACE_CMD} 's|%%ETCDIR%%|${ETCDIR}|' \
 	    ${PATCH_WRKSRC}/ntpd/src/daemon/config/mod.rs
 
 do-install:
 .for f in ${BINFILES}
 	${INSTALL_PROGRAM} ${CARGO_TARGET_DIR}/${CARGO_BUILD_TARGET}/*/${f} ${STAGEDIR}${LOCALBASE}/bin
 .endfor
 	${MKDIR} ${STAGEDIR}${ETCDIR}
 	${INSTALL_DATA} ${WRKSRC}/ntp.server.toml ${STAGEDIR}${ETCDIR}/ntp.server.toml.sample
 	${INSTALL_DATA} ${WRKSRC}/docs/examples/conf/ntp.toml.default ${STAGEDIR}${ETCDIR}/ntp.toml.sample
 
 .include <bsd.port.mk>