diff --git a/net/rubygem-domain_name/Makefile b/net/rubygem-domain_name/Makefile
index c4565ce98ed6..5ad765b061ec 100644
--- a/net/rubygem-domain_name/Makefile
+++ b/net/rubygem-domain_name/Makefile
@@ -9,7 +9,7 @@ MASTER_SITES=	RG
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Domain Name manipulation library for ruby
 
-LICENSE=	BSD2CLAUSE BSD3CLAUSE GPLv2 LGPL21 MPL
+LICENSE=	BSD2CLAUSE BSD3CLAUSE GPLv2 LGPL21 MPL20
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt