diff --git a/mail/nbsmtp/Makefile b/mail/nbsmtp/Makefile
index bb0d9eef1b32..70165603c63a 100644
--- a/mail/nbsmtp/Makefile
+++ b/mail/nbsmtp/Makefile
@@ -1,30 +1,36 @@
 PORTNAME=	nbsmtp
 PORTVERSION=	1.00
 PORTREVISION=	2
 CATEGORIES=	mail
 MASTER_SITES=	LOCAL/ehaupt
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Simple program for outgoing SMTP delivery
 
 LICENSE=	GPLv2
 
 USES=		cpe ssl
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-ssl --enable-ipv6
 CPPFLAGS+=	-I${OPENSSLINC}
 CFLAGS+=	-I${OPENSSLINC}
 LDFLAGS+=	-L${OPENSSLLIB}
 
 PLIST_FILES=	bin/nbsmtp man/man5/nbsmtprc.5.gz man/man8/nbsmtp.8.gz
 
+.include <bsd.port.pre.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400079
+USE_GCC=	yes
+.endif
+
 post-patch:
 	${REINPLACE_CMD} -e 's@\(-o nbsmtp\)@$$(LDFLAGS) \1@g'	\
 		${WRKSRC}/Makefile.in
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/nbsmtprc.5 ${STAGEDIR}${MANPREFIX}/man/man5
 	${INSTALL_MAN} ${WRKSRC}/nbsmtp.8 ${STAGEDIR}${MANPREFIX}/man/man8
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>