diff --git a/textproc/py-atoml/Makefile b/textproc/py-atoml/Makefile
index 4d5bd973a4ff9..4a0bf58d205e1 100644
--- a/textproc/py-atoml/Makefile
+++ b/textproc/py-atoml/Makefile
@@ -18,6 +18,6 @@ USE_PYTHON=	autoplist concurrent distutils
 NO_ARCH=	yes
 
 post-patch:
-	@${CP} ${FILESDIR}/setup.py ${WRKSRC}/
+	@${SED} -e 's|%%PORTVERSION%%|${PORTVERSION}|' ${FILESDIR}/setup.py > ${WRKSRC}/setup.py
 
 .include <bsd.port.mk>
diff --git a/textproc/py-atoml/files/setup.py b/textproc/py-atoml/files/setup.py
index 95c58e86aea1a..d1601330afcc7 100644
--- a/textproc/py-atoml/files/setup.py
+++ b/textproc/py-atoml/files/setup.py
@@ -9,7 +9,7 @@
 
 setup_kwargs = {
     'name': 'atoml',
-    'version': '1.0.3',
+    'version': '%%PORTVERSION%%',
     'description': 'Yet another style preserving TOML library',
     'long_description': long_description,
     'license': 'MIT',