diff --git a/devel/py-preshed3/Makefile b/devel/py-preshed3/Makefile
index a74d2cfe1be1..9fbfcc1c55a9 100644
--- a/devel/py-preshed3/Makefile
+++ b/devel/py-preshed3/Makefile
@@ -1,30 +1,32 @@
 PORTNAME=	preshed
 PORTVERSION=	3.0.9
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 PKGNAMESUFFIX=	3
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Cython hash table that trusts the keys are pre-hashed
 WWW=		https://github.com/explosion/preshed
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cymem>=2.0.2<2.1.0:devel/py-cymem@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}murmurhash>=0.28.0<1.1.0:devel/py-murmurhash@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cymem>=2.0.2<2.1.0:devel/py-cymem@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}murmurhash>=0.28.0<1.1.0:devel/py-murmurhash@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist concurrent cython pep517
+USE_PYTHON=	autoplist concurrent cython pep517 pytest
+
+TEST_WRKSRC=	${STAGEDIR}${PYTHON_SITELIBDIR}
 
 PORTSCOUT=	limit^3\.
 
 post-install:
 	${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name '*.so' -exec ${STRIP_CMD} {} +
 
 .include <bsd.port.mk>