diff --git a/textproc/jshon/Makefile b/textproc/jshon/Makefile
index a924222772cc..ce3d55ee3778 100644
--- a/textproc/jshon/Makefile
+++ b/textproc/jshon/Makefile
@@ -1,40 +1,46 @@
 PORTNAME=	jshon
 DISTVERSION=	20180209
 CATEGORIES=	textproc
 
 MAINTAINER=	0mp@FreeBSD.org
 COMMENT=	JSON parser for the shell
 WWW=		http://kmkeen.com/jshon/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libjansson.so:devel/jansson
 
 USES=		gmake localbase:ldflags
 USE_GITHUB=	yes
 GH_ACCOUNT=	keenerd
 GH_TAGNAME=	d919aea
 
 PLIST_FILES=	bin/jshon \
 		man/man1/jshon.1.gz
 
 OPTIONS_DEFINE=		ZSH
 OPTIONS_DEFAULT=	ZSH
 
 ZSH_PLIST_FILES=	share/zsh/site-functions/jshon_zsh_completion
 
+.include <bsd.port.pre.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400079
+CFLAGS+=	-Wno-error=strict-prototypes
+.endif
+
 pre-configure:
 	@${REINPLACE_CMD} -e 's|^\(#define JSHONVER \).*|\1"${PORTVERSION}-${GH_TAGNAME}"|' \
 	-e 's|\({printf("%\)i\(\\n", JSHONVER); exit(0);}\)|\1s\2|' \
 	${WRKSRC}/jshon.c
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/${PORTNAME} ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/${PORTNAME}.1 ${STAGEDIR}${MANPREFIX}/man/man1
 
 post-install-ZSH-on:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/share/zsh/site-functions
 	${INSTALL_DATA} ${WRKSRC}/jshon_zsh_completion ${STAGEDIR}${PREFIX}/share/zsh/site-functions/
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>