diff --git a/japanese/open_jtalk/Makefile b/japanese/open_jtalk/Makefile
index 1b7c24d7b62a..6d8e1b6b50fe 100644
--- a/japanese/open_jtalk/Makefile
+++ b/japanese/open_jtalk/Makefile
@@ -1,31 +1,31 @@
 PORTNAME=	open_jtalk
 PORTVERSION=	1.11
 CATEGORIES=	japanese audio
 MASTER_SITES=	SOURCEFORGE
 MASTER_SITE_SUBDIR=	open-jtalk/Open%20JTalk/open_jtalk-${PORTVERSION}
 PKGNAMEPREFIX=	ja-
 
 MAINTAINER=	kozos@kozos.jp
 COMMENT=	Japanese Text-to-speech system using HTS-engine and Mecab
 WWW=		http://open-jtalk.sourceforge.net/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	${PREFIX}/include/iconv.h:converters/libiconv \
 		${PREFIX}/lib/libHTSEngine.a:audio/hts_engine-API
 
-USE_GCC=	yes
+USE_CXXSTD=	c++14
 
 HAS_CONFIGURE=	yes
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/AUTHORS   ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/COPYING   ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/ChangeLog ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/INSTALL   ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/NEWS      ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/README    ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>