diff --git a/audio/p5-MP3-ID3v1Tag/Makefile b/audio/p5-MP3-ID3v1Tag/Makefile
index 79e7c1087afc..0187598246c6 100644
--- a/audio/p5-MP3-ID3v1Tag/Makefile
+++ b/audio/p5-MP3-ID3v1Tag/Makefile
@@ -10,6 +10,9 @@ PKGNAMEPREFIX=	p5-
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Edit ID3v1 Tags from an Audio MPEG Layer 3
 
+LICENSE=	ART10 GPLv1
+LICENSE_COMB=	dual
+
 USES=		perl5
 USE_PERL5=	configure