diff --git a/math/py-pywavelets/Makefile b/math/py-pywavelets/Makefile
index 90b418b74a01..bea62adb9d4d 100644
--- a/math/py-pywavelets/Makefile
+++ b/math/py-pywavelets/Makefile
@@ -1,25 +1,27 @@
 PORTNAME=	pywavelets
 PORTVERSION=	1.9.0
 PORTREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	Discrete Wavelet Transforms in Python
 WWW=		https://github.com/PyWavelets/pywt
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy1>=1.16:math/py-numpy1@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}meson-python>=0.16:devel/meson-python@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy1>=1.16:math/py-numpy1@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist cython pep517
 
+BINARY_ALIAS=	cython=cython-${PYTHON_VER}
+
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/pywt/_extensions/*.so
 
 .include <bsd.port.mk>