Index: head/x11-fm/qtfm/Makefile
===================================================================
--- head/x11-fm/qtfm/Makefile	(revision 496717)
+++ head/x11-fm/qtfm/Makefile	(revision 496718)
@@ -1,33 +1,33 @@
 # Created by: Zhihao Yuan <lichray@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	qtfm
 DISTVERSION=	6.1.8
 CATEGORIES=	x11-fm
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Small, lightweight file manager based on pure Qt
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libinotify.so:devel/libinotify
 
-USES=		desktop-file-utils gl qmake qt:5
+USES=		compiler:c++11-lang desktop-file-utils gl qmake qt:5
 USE_GL=		gl
 USE_QT=		concurrent core dbus gui widgets \
 		buildtools_build qmake_build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	rodlie
 
 QMAKE_ARGS=	MANDIR=${MANDIRS} \
 		PREFIX=${PREFIX} \
 		XDGDIR=${PREFIX}/etc/xdg
 
 OPTIONS_DEFINE=	DOCS
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/qtfm
 
 .include <bsd.port.mk>