diff --git a/japanese/kasumi/Makefile b/japanese/kasumi/Makefile
index 556256bbef6b..cb2d0cf97014 100644
--- a/japanese/kasumi/Makefile
+++ b/japanese/kasumi/Makefile
@@ -1,35 +1,36 @@
 PORTNAME=	kasumi
 PORTVERSION=	2.5
 PORTREVISION=	9
 CATEGORIES=	japanese
 MASTER_SITES=	OSDN/${PORTNAME}
 
 MAINTAINER=	nobutaka@FreeBSD.org
 COMMENT=	Dictionary management tool for anthy
 WWW=		http://kasumi.sourceforge.jp/
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libanthy.so:japanese/anthy \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 
 USES=		compiler:c++11-lang gmake gnome iconv:wchar_t localbase:ldflags pkgconfig
 USE_GNOME=	gtk20 cairo gdkpixbuf2
+USE_CXXSTD=	c++11
 
 GNU_CONFIGURE=	yes
 
 OPTIONS_DEFINE=	NLS
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MNLS}
 USES+=		gettext
 PLIST_SUB+=	NLS=""
 .else
 CONFIGURE_ARGS+=--disable-nls
 PLIST_SUB+=	NLS="@comment "
 .endif
 
 .include <bsd.port.mk>