diff --git a/devel/py-cson/Makefile b/devel/py-cson/Makefile
index fdc14d2419e5..56deaf876f85 100644
--- a/devel/py-cson/Makefile
+++ b/devel/py-cson/Makefile
@@ -1,22 +1,24 @@
 PORTNAME=	cson
 DISTVERSION=	0.8
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	nivit@FreeBSD.org
 COMMENT=	Coffescript Object Notation (CSON) parser for Python 2 and Python 3
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	${PKGNAMEPREFIX}speg>=0.3:devel/py-speg@${PY_FLAVOR}
 TEST_DEPENDS=	${PKGNAMEPREFIX}pytest:devel/py-pytest@${PY_FLAVOR} \
 		${PKGNAMEPREFIX}speg>=0.3:devel/py-speg@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist distutils
 
+NO_ARCH=	yes
+
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest test
 
 .include <bsd.port.mk>