diff --git a/devel/py-pep517/Makefile b/devel/py-pep517/Makefile
index 814a6db978af..2203ded09ee1 100644
--- a/devel/py-pep517/Makefile
+++ b/devel/py-pep517/Makefile
@@ -1,29 +1,32 @@
 PORTNAME=	pep517
 PORTVERSION=	0.13.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Wrappers to build Python packages using PEP 517 hooks
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 30800
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}importlib-metadata>=0:devel/py-importlib-metadata@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}zipp>=0:devel/py-zipp@${PY_FLAVOR}
 .endif
 
 .if ${PYTHON_REL} < 31100
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}tomli>=1.1.0:textproc/py-tomli@${PY_FLAVOR}
 .endif
 
+post-patch:
+	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
+
 .include <bsd.port.post.mk>