diff --git a/mail/qmail-rblchk/Makefile b/mail/qmail-rblchk/Makefile
index 2ccbef2ce7b3..f1c76b242b06 100644
--- a/mail/qmail-rblchk/Makefile
+++ b/mail/qmail-rblchk/Makefile
@@ -1,40 +1,46 @@
 PORTNAME=	qmail-rblchk
 PORTVERSION=	2.4.1
 PORTREVISION=	1
 CATEGORIES=	mail
 MASTER_SITES=	http://www.morettoni.net/qmail/ \
 		LOCAL/ehaupt
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Qmail RBL filter
 WWW=		http://www.morettoni.net/qmail-rblchk.en.html
 
 USES=		groff qmail:run
 
-LDFLAGS?=	-s
+ALL_TARGET=	default
+INSTALL_TARGET=	setup
+
 CFLAGS?=	-O2 -Wimplicit -Wunused -Wcomment -Wchar-subscripts -Wuninitialized \
 		-Wshadow -Wcast-qual -Wcast-align -Wwrite-strings
+LDFLAGS?=	-s
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
-ALL_TARGET=	default
-INSTALL_TARGET=	setup
-
 OPTIONS_DEFINE=	EXAMPLES
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e '/"cat/d; s|,02755|,0755|' ${WRKSRC}/hier.c
 
 do-configure:
 	${PRINTF}   "${STAGEDIR}${PREFIX}\n\n.../bin.\n"	> ${WRKSRC}/conf-home
 	${ECHO_CMD} "${CC} ${CFLAGS}"		> ${WRKSRC}/conf-cc
 	${ECHO_CMD} "${CC} ${LDFLAGS}"		> ${WRKSRC}/conf-ld
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/*
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 .for f in rbllist.sh spam-report.sh dot-qmail-storeip
 	${INSTALL_DATA} ${WRKSRC}/contrib/${f} ${STAGEDIR}${EXAMPLESDIR}
 .endfor
 
 .include <bsd.port.mk>