diff --git a/devel/rubygem-crack/Makefile b/devel/rubygem-crack/Makefile
index 0d8e5b6b1672..ebcfbbc8989f 100644
--- a/devel/rubygem-crack/Makefile
+++ b/devel/rubygem-crack/Makefile
@@ -1,20 +1,21 @@
 # Created by: Wen Heping <wenheping@gmail.com>
 
 PORTNAME=	crack
 PORTVERSION=	0.4.5
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Ruby Library of Simple JSON and XML Parsing
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	rubygem-rexml>=0:textproc/rubygem-rexml
 
-USES=		gem
+USES=		cpe gem
+CPE_VENDOR=	john_nunemaker
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>