Index: head/games/qnetwalk/Makefile
===================================================================
--- head/games/qnetwalk/Makefile	(revision 497657)
+++ head/games/qnetwalk/Makefile	(revision 497658)
@@ -1,31 +1,31 @@
 # Created by: arved
 # $FreeBSD$
 
 PORTNAME=	qnetwalk
 PORTVERSION=	1.5
 PORTREVISION=	1
 CATEGORIES=	games
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Game for system administrators
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	AMDmi3
 
-USES=		cmake qt:5
+USES=		cmake compiler:c++11-lang qt:5
 USE_QT=		core gui widgets qmake_build buildtools_build linguisttools_build
 USE_SDL=	mixer sdl
 
 PORTDOCS=	ChangeLog.md README.md
 PORTDATA=	*
 
 OPTIONS_DEFINE=	DOCS
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}/
 
 .include <bsd.port.mk>