diff --git a/devel/libmsocket/Makefile b/devel/libmsocket/Makefile
index 2984f390944c..b3d650544610 100644
--- a/devel/libmsocket/Makefile
+++ b/devel/libmsocket/Makefile
@@ -1,47 +1,48 @@
 # Created by: Matt Harris <mattdharris@users.sourceforge.net>
 
 PORTNAME=	libmsocket
 PORTVERSION=	0.4
 PORTREVISION=	6
 CATEGORIES=	devel net
 MASTER_SITES=	SF/kageki/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	rodrigo@FreeBSD.org
 COMMENT=	Socket abstraction library for C programmers
 
 LICENSE=	BSD2CLAUSE
 
 LIB_DEPENDS=	libevent.so:devel/libevent
 
 OPTIONS_DEFINE=	DEBUG
 
 USES=		tar:bzip2 desthack ssl
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-throttling \
 		--with-libevent=${LOCALBASE}
 
 PLIST_FILES=	lib/libmsocket.so \
 		lib/libmsocket.so.0.1 \
 		lib/libmsocket.a \
 		include/msocket.h \
 		include/msocketutils.h
 
-CFLAGS_aarch64+=-fPIC -DPIC
-CFLAGS_amd64+=	-fPIC -DPIC
-CFLAGS_i386+=	-fPIC -DPIC
-CFLAGS_powerpc+=	-fPIC -DPIC
-CFLAGS_powerpc64+=	-fPIC -DPIC
-CFLAGS_powerpc64le+=	-fPIC -DPIC
-CFLAGS_powerpcspe+=	-fPIC -DPIC
+CFLAGS_aarch64=-fPIC -DPIC
+CFLAGS_amd64=	-fPIC -DPIC
+CFLAGS_i386=	-fPIC -DPIC
+CFLAGS_powerpc=	-fPIC -DPIC
+CFLAGS_powerpc64=	-fPIC -DPIC
+CFLAGS_powerpc64le=	-fPIC -DPIC
+CFLAGS_powerpcspe=	-fPIC -DPIC
+CFLAGS_riscv64=	-fPIC -DPIC
 
 DEBUG_CONFIGURE_ON=	--enable-debug
 
 post-patch:
 	${REINPLACE_CMD} 's,  withval=$$with_libevent; cf_enable_libevent=$$enableval,   withval=$$with_libevent; cf_enable_libevent=$$with_libevent,' \
 		${WRKSRC}/configure
 
 post-install:
 	${LN} -sf libmsocket.so.0.1 ${STAGEDIR}${PREFIX}/lib/libmsocket.so
 
 .include <bsd.port.mk>