diff --git a/japanese/libskk/Makefile b/japanese/libskk/Makefile
index 03323773ab02..d045e9d70004 100644
--- a/japanese/libskk/Makefile
+++ b/japanese/libskk/Makefile
@@ -1,40 +1,46 @@
 PORTNAME=	libskk
 DISTVERSION=	1.0.5
 CATEGORIES=	japanese
 
 MAINTAINER=	hiroto.kagotani@gmail.com
 COMMENT=	Library to deal with Japanese Kana-to-Kanji conversion method
 WWW=		https://github.com/ueno/libskk
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	p5-XML-Parser>=0:textproc/p5-XML-Parser
 LIB_DEPENDS=	libgee-0.8.so:devel/libgee \
 		libjson-glib-1.0.so:devel/json-glib \
 		libxkbcommon.so:x11/libxkbcommon
 
 USES=		autoreconf gmake gnome libtool pathfix pkgconfig vala:build
 USE_GITHUB=	yes
 GH_ACCOUNT=	ueno
 GNU_CONFIGURE=	yes
 USE_GNOME=	introspection:build
 USE_LDCONFIG=	yes
 INSTALL_TARGET=	install-strip
 
 PORTDOCS=	ChangeLog NEWS README
 
 CFLAGS+=	-Wno-error=int-conversion
 
 OPTIONS_DEFINE=	DOCS NLS
 OPTIONS_SUB=	yes
 
 NLS_CONFIGURE_ENABLE=	nls
 NLS_USES=	gettext
 NLS_USES_OFF=	gettext-tools
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>