diff --git a/MOVED b/MOVED
index 9decc4a3280a..dd2497a50ad5 100644
--- a/MOVED
+++ b/MOVED
@@ -15416,3 +15416,4 @@ mail/postfix-policyd-spf-python|mail/py-spf-engine|2020-09-04|Has expired: Use m
 graphics/py-pyembree||2020-09-04|Has expired: Broken for more than 6 months
 games/asteroid||2020-09-04|Has expired: Broken for more than 6 months
 www/py-pySmartDL|www/py-pysmartdl|2020-09-05|Rename to match our py- port naming
+astro/py-RO|astro/py-ro|2020-09-05|Rename to match our py- port naming
diff --git a/astro/Makefile b/astro/Makefile
index 0aeac3d9f801..eb39f92a1c78 100644
--- a/astro/Makefile
+++ b/astro/Makefile
@@ -78,7 +78,6 @@
     SUBDIR += phoon
     SUBDIR += pp3
     SUBDIR += ptiger
-    SUBDIR += py-RO
     SUBDIR += py-astLib
     SUBDIR += py-astropy
     SUBDIR += py-astropy-helpers
@@ -90,6 +89,7 @@
     SUBDIR += py-pymetar
     SUBDIR += py-pysofa
     SUBDIR += py-pywapi
+    SUBDIR += py-ro
     SUBDIR += py-spacetrack
     SUBDIR += pyweather
     SUBDIR += qmapshack
diff --git a/astro/py-RO/Makefile b/astro/py-ro/Makefile
similarity index 95%
rename from astro/py-RO/Makefile
rename to astro/py-ro/Makefile
index c2dd7b049de2..f9b3fa1756fe 100644
--- a/astro/py-RO/Makefile
+++ b/astro/py-ro/Makefile
@@ -1,12 +1,13 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 # $FreeBSD$
 
-PORTNAME=	RO
+PORTNAME=	ro
 PORTVERSION=	3.6.9
 PORTREVISION=	4
 CATEGORIES=	astro python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+DISTNAME=	RO-${PORTVERSION}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Package of Python astronomical utilities
diff --git a/astro/py-RO/distinfo b/astro/py-ro/distinfo
similarity index 100%
rename from astro/py-RO/distinfo
rename to astro/py-ro/distinfo
diff --git a/astro/py-RO/files/patch-tools-fitsinfo.py b/astro/py-ro/files/patch-tools-fitsinfo.py
similarity index 100%
rename from astro/py-RO/files/patch-tools-fitsinfo.py
rename to astro/py-ro/files/patch-tools-fitsinfo.py
diff --git a/astro/py-RO/pkg-descr b/astro/py-ro/pkg-descr
similarity index 100%
rename from astro/py-RO/pkg-descr
rename to astro/py-ro/pkg-descr