Index: head/www/py-pylsqpack/Makefile
===================================================================
--- head/www/py-pylsqpack/Makefile	(revision 555439)
+++ head/www/py-pylsqpack/Makefile	(revision 555440)
@@ -1,22 +1,22 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	pylsqpack
 PORTVERSION=	0.3.11
 CATEGORIES=	www python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Python wrapper for the ls-qpack QPACK library
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		python:3.5+
+USES=		compiler:c++11-lang python:3.5+
 USE_PYTHON=	autoplist concurrent distutils
 
 do-test:
 	cd ${WRKSRC} && ${PYTHON_CMD} setup.py test
 
 .include <bsd.port.mk>