diff --git a/astro/py-kosmorrolib/Makefile b/astro/py-kosmorrolib/Makefile
index 31064a7901a5..ac5bf060e895 100644
--- a/astro/py-kosmorrolib/Makefile
+++ b/astro/py-kosmorrolib/Makefile
@@ -1,36 +1,36 @@
 PORTNAME=	kosmorrolib
 PORTVERSION=	1.0.10
 PORTREVISION=	2
 CATEGORIES=	astro python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	Library that computes the ephemerides
 WWW=		https://kosmorro.space/
 
 LICENSE=	CeCILL-C
 LICENSE_NAME=	${LICENSE}
 LICENSE_TEXT=	CeCILL-C Free Software License Agreement
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}skyfield>0:astro/py-skyfield@${PY_FLAVOR}\
 		${PYTHON_PKGNAMEPREFIX}python-dateutil>0:devel/py-python-dateutil@${PY_FLAVOR}\
 		${PYTHON_PKGNAMEPREFIX}poetry-core>0:devel/py-poetry-core@${PY_FLAVOR}\
-		${PYTHON_PKGNAMEPREFIX}skyfield-data>0:astro/py-skyfield-data@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}skyfield_data>0:astro/py-skyfield-data@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}skyfield>0:astro/py-skyfield@${PY_FLAVOR}\
 		${PYTHON_PKGNAMEPREFIX}python-dateutil>0:devel/py-python-dateutil@${PY_FLAVOR}\
-		${PYTHON_PKGNAMEPREFIX}skyfield-data>0:astro/py-skyfield-data@${PY_FLAVOR}
+		${PYTHON_PKGNAMEPREFIX}skyfield_data>0:astro/py-skyfield-data@${PY_FLAVOR}
 
 #USE_GITHUB=	yes
 #GH_ACCOUNT=	Kosmorro
 #GH_PROJECT=	lib
 
 USES=		python
 USE_PYTHON=	pep517
 
 PLIST_SUB=	VE=${PORTVERSION}
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>