Index: head/misc/py-progressbar/Makefile
===================================================================
--- head/misc/py-progressbar/Makefile	(revision 451789)
+++ head/misc/py-progressbar/Makefile	(revision 451790)
@@ -1,22 +1,24 @@
 # Created by: Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	progressbar
 PORTVERSION=	2.3
 PORTREVISION=	2
 CATEGORIES=	misc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Text progressbar library for python
 
 LICENSE=	BSD3CLAUSE LGPL21+
 LICENSE_COMB=	dual
 LICENSE_FILE_BSD3CLAUSE=${WRKSRC}/LICENSE.txt
 
 NO_ARCH=	yes
 USE_PYTHON=	autoplist concurrent distutils
 USES=		python
 
+CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}progressbar231
+
 .include <bsd.port.mk>