diff --git a/devel/py-numba/Makefile b/devel/py-numba/Makefile
index ca658f6189bc..5ec716d6b3f3 100644
--- a/devel/py-numba/Makefile
+++ b/devel/py-numba/Makefile
@@ -1,35 +1,35 @@
 PORTNAME=	numba
 DISTVERSION=	0.56.2
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	dave@dal.ca
 COMMENT=	Optimizing compiler for Python using LLVM
 WWW=		https://numba.pydata.org/
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BROKEN=		not compatible with onetbb-2021.6.0, see https://github.com/numba/numba/issues/8487
 .if !exists(/usr/include/omp.h)
 BROKEN=		requires OpenMP support that is missing on this architecture
 .endif
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>1.11,1:math/py-numpy@${PY_FLAVOR}
 LIB_DEPENDS=	libtbb.so:devel/onetbb
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}llvmlite>=0.31.0:devel/py-llvmlite@${PY_FLAVOR}
 
 USES=		compiler:c++11-lang python:3.6+ fortran localbase
 USE_PYTHON=	distutils concurrent autoplist unittest
 
+MAKE_ENV=	NUMBA_DISABLE_TBB=1 # workaround for: not compatible with onetbb-2021.6.0, see https://github.com/numba/numba/issues/8487
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 TEST_WRKSRC=	${WRKSRC}/numba/tests
 
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
 do-test: # tests run for a very long time
 	@cd ${TEST_WRKSRC} && ${SETENV} ${TEST_ENV} ${PYTHON_CMD} -m numba.runtests
 
 .include <bsd.port.mk>