diff --git a/www/rubygem-rack15/Makefile b/www/rubygem-rack15/Makefile
index 021ffbba17b9..598909667cc7 100644
--- a/www/rubygem-rack15/Makefile
+++ b/www/rubygem-rack15/Makefile
@@ -1,35 +1,36 @@
 # XXX: If updating this port, please check compatibality with at least the following ports,
 # XXX: preferably, the full rubygem-* tree.  rack version requirements are specified with ~>
 # XXX: which requires *EXACTLY* that version.
 #
 # 	www/rubygem-innate
 
 PORTNAME=	rack
 PORTVERSION=	1.5.5
 PORTEPOCH=	4
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	15
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Rack, a Ruby Webserver Interface
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 NO_ARCH=	yes
 USE_RUBY=	yes
-USES=		gem shebangfix
+USES=		cpe gem shebangfix
+CPE_VENDOR=	${PORTNAME}_project
 
 SHEBANG_FILES=	test/cgi/test.ru
 SHEBANG_LANG=	rackup
 rackup_OLD_CMD=	../../bin/rackup
 rackup_CMD=	${LOCALBASE}/bin/rackup
 
 PORTSCOUT=	limit:^1\.5
 
 # avoid duplicate file from www/rubygem-rack port
 post-install:
 	@${RM} ${STAGEDIR}${PREFIX}/bin/rackup
 
 .include <bsd.port.mk>