diff --git a/math/py-openTSNE/Makefile b/math/py-openTSNE/Makefile
index d00c1f505b4f..4d5496520b0a 100644
--- a/math/py-openTSNE/Makefile
+++ b/math/py-openTSNE/Makefile
@@ -1,26 +1,26 @@
 # $FreeBSD$
 
 PORTNAME=	openTSNE
 DISTVERSION=	0.5.1
 CATEGORIES=	math python # statistics
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Fast, parallel implementations of t-SNE
 
 LICENSE=	BSD3CLAUSE
 
 BUILD_DEPENDS=	${PYNUMPY}
 LIB_DEPENDS=	libfftw3.so:math/fftw3
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scikit-learn>=0.20.0:science/py-scikit-learn@${PY_FLAVOR}
 
-USES=		localbase:ldflags python:3.6+
+USES=		compiler:c++14-lang localbase:ldflags python:3.6+
 USE_PYTHON=	distutils autoplist
 
 post-install:
 	@${FIND} ${STAGEDIR}${PREFIX} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
 .include <bsd.port.mk>