diff --git a/science/py-pymatgen/Makefile b/science/py-pymatgen/Makefile
index 8c7b01806e0c..80d6feb651ba 100644
--- a/science/py-pymatgen/Makefile
+++ b/science/py-pymatgen/Makefile
@@ -1,45 +1,46 @@
 PORTNAME=	pymatgen
 DISTVERSION=	2022.0.17
 CATEGORIES=	science python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python Materials Genomics is a robust materials analysis code
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
 BUILD_DEPENDS=	${PYNUMPY}
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}beautifulsoup>=4.9.3:www/py-beautifulsoup@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=1.5:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}monty>=3.0.2:devel/py-monty@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}networkx>=2.2:math/py-networkx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}palettable>=3.1.1:misc/py-palettable@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pandas>0:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}plotly>=4.5.0:graphics/py-plotly@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ruamel.yaml>0:devel/py-ruamel.yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=1.5.0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>0:devel/py-six@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}spglib>=1.9.9.44:science/py-spglib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sympy>0:math/py-sympy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tabulate>0:devel/py-tabulate@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}typing-extensions>0:devel/py-typing-extensions@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}uncertainties>=3.1.4:math/py-uncertainties@${PY_FLAVOR}
-TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>0:devel/py-pytest@${PY_FLAVOR}
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pybtex>0:textproc/py-pybtex@${PY_FLAVOR}
 
-USES=		compiler:c++11-lang python:3.7+
+USES=		compiler:c++11-lang python:3.7+ pytest
 USE_PYTHON=	distutils cython concurrent autoplist
 
 post-install:
 	@cd ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/${PORTNAME} && ${STRIP_CMD} \
 		optimization/linear_assignment*.so \
 		optimization/neighbors*.so \
 		util/coord_cython*.so
 
-do-test: # tests fail: https://github.com/materialsproject/pymatgen/issues/2275
-	@cd ${WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} -m pytest
+# tests fail: https://github.com/materialsproject/pymatgen/issues/2275
+pre-test:
+	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYSETUP} build_ext --inplace
 
 .include <bsd.port.mk>