diff --git a/games/amnesia-tdd/Makefile b/games/amnesia-tdd/Makefile
index 2840aa58ebf5..ffd5d748cc03 100644
--- a/games/amnesia-tdd/Makefile
+++ b/games/amnesia-tdd/Makefile
@@ -1,38 +1,38 @@
 PORTNAME=	amnesia-tdd
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.3.2
 CATEGORIES=	games
 
 MAINTAINER=	shamaz.mazum@gmail.com
 COMMENT=	Amnesia: The Dark Descent
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON=	Bundled AngelScript does not work on this architecture.
 
 LIB_DEPENDS=	libIL.so:graphics/devil \
 		libvorbis.so:audio/libvorbis \
 		libtheora.so:multimedia/libtheora \
 		libogg.so:audio/libogg
 
 USES=		cmake gl sdl openal perl5
-USE_GL=		gl glew glu
-USE_SDL=	sdl2
-USE_PERL5=	build
-
+USE_CXXSTD=	c++14
 USE_GITHUB=	yes
 GH_ACCOUNT=	shamazmazum
 GH_PROJECT=	AmnesiaTheDarkDescent
+USE_GL=		gl glew glu
+USE_PERL5=	build
+USE_SDL=	sdl2
 
-SUB_FILES=	pkg-message
-
-CMAKE_ON=	SYSTEMWIDE_RESOURCES
 CMAKE_ARGS=	-DSYSTEMWIDE_RESOURCES_LOCATION=${PREFIX}/share/${PORTNAME}
+CMAKE_ON=	SYSTEMWIDE_RESOURCES
 CMAKE_SOURCE_PATH=	${WRKSRC}/amnesia/src
 
+SUB_FILES=	pkg-message
+
 post-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/${PORTNAME}
 
 .include <bsd.port.mk>