diff --git a/misc/py-mmcv/Makefile b/misc/py-mmcv/Makefile
index 4f4761f4160e..9175dd30a79c 100644
--- a/misc/py-mmcv/Makefile
+++ b/misc/py-mmcv/Makefile
@@ -1,35 +1,41 @@
 PORTNAME=	mmcv
 #DISTVERSIONPREFIX=	v
 DISTVERSION=	2.2.0
 PORTREVISION=	5
 CATEGORIES=	misc # machine-learning
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	OpenMMLab: Foundational library for computer vision research
 WWW=		https://mmcv.readthedocs.io/en/latest/ \
 		https://github.com/open-mmlab/mmcv
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	ninja:devel/ninja \
 		${PREFIX}/include/pybind11/pybind11.h:devel/pybind11 \
 		${PYTHON_PKGNAMEPREFIX}numpy>=1.16:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytorch>0:misc/py-pytorch@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}addict>0:devel/py-addict@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}mmengine>=0.3.0:misc/py-mmengine@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpy>=1.16:math/py-numpy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR} \
 		${PY_PILLOW} \
 		${PYTHON_PKGNAMEPREFIX}yapf>0:textproc/py-yapf@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyyaml>=0:devel/py-pyyaml@${PY_FLAVOR}
 
 USES=		compiler:c++17-lang localbase python
 USE_PYTHON=	distutils cython autoplist # pytest: many test dependencies are missing
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} == "aarch64"
+MAKE_ENV=	LD_STATIC_TLS_EXTRA=4096 # see pkg-message in misc/py-pytorch
+.endif
+
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/mmcv/_ext${PYTHON_TAG}.so
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>