diff --git a/math/py-fastdtw/Makefile b/math/py-fastdtw/Makefile
index 9ced55998815..a1447144f536 100644
--- a/math/py-fastdtw/Makefile
+++ b/math/py-fastdtw/Makefile
@@ -1,25 +1,27 @@
 PORTNAME=	fastdtw
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.3.4
+PORTREVISION=	1
 CATEGORIES=	math python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Dynamic Time Warping (DTW) algorithm with an O(N) complexity
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest-runner>0:devel/py-pytest-runner@${PY_FLAVOR}
 RUN_DEPENDS=	${PYNUMPY}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
 
 USES=		python:3.6+
+
 USE_GITHUB=	yes # tests are only on github
 GH_ACCOUNT=	slaypni
-USE_PYTHON=	distutils cython autoplist
+USE_PYTHON=	distutils cython autoplist pytest # tests fail: https://github.com/slaypni/fastdtw/issues/23
 
-do-test: # tests fail: https://github.com/slaypni/fastdtw/issues/23
-	@cd ${WRKSRC} && ${PYTHON_CMD} -m pytest
+post-install:
+	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/fastdtw/_fastdtw${PYTHON_EXT_SUFFIX}.so
 
 .include <bsd.port.mk>