diff --git a/astro/pyephem/Makefile b/astro/pyephem/Makefile
index 70e9675fd172..b27123caca08 100644
--- a/astro/pyephem/Makefile
+++ b/astro/pyephem/Makefile
@@ -3,10 +3,10 @@
 
 PORTNAME=	pyephem
 PORTVERSION=	3.7.7.0
+PORTREVISION=	1
 PORTEPOCH=	1
-CATEGORIES=	astro math hamradio
+CATEGORIES=	astro math python
 MASTER_SITES=	CHEESESHOP
-# XXX rename the directory too.
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	wen@FreeBSD.org
@@ -14,7 +14,11 @@ COMMENT=	Scientific-grade astronomical computations for Python
 
 LICENSE=	LGPL3
 
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}ephem==${PORTVERSION}:astro/py-ephem@${PY_FLAVOR}
+
 USES=		python
 USE_PYTHON=	autoplist distutils
 
+NO_ARCH=	yes
+
 .include <bsd.port.mk>