Index: head/archivers/p5-IO-Zlib/Makefile
===================================================================
--- head/archivers/p5-IO-Zlib/Makefile	(revision 451679)
+++ head/archivers/p5-IO-Zlib/Makefile	(revision 451680)
@@ -1,17 +1,20 @@
 # $FreeBSD$
 
 PORTNAME=	IO-Zlib
 PORTVERSION=	1.10
 PORTREVISION=	2
 CATEGORIES=	archivers perl5
 MASTER_SITES=	CPAN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	kuriyama@FreeBSD.org
 COMMENT=	IO:: style interface to Compress::Zlib
 
+LICENSE=	ART10 GPLv1+
+LICENSE_COMB=	dual
+
 USES=		perl5
 USE_PERL5=	configure
 NO_ARCH=	yes
 
 .include <bsd.port.mk>