diff --git a/www/rubygem-sinatra1/Makefile b/www/rubygem-sinatra1/Makefile
index 83141ad567e3..bae92725ec4a 100644
--- a/www/rubygem-sinatra1/Makefile
+++ b/www/rubygem-sinatra1/Makefile
@@ -1,26 +1,27 @@
 # Created by: Daniel Roethlisberger <daniel@roe.ch>
 
 PORTNAME=	sinatra
 PORTVERSION=	1.4.8
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	1
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Classy web development framework in ruby
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	rubygem-rack16>=1.5<2:www/rubygem-rack16 \
 		rubygem-rack-protection1>=1.4<2:www/rubygem-rack-protection1 \
 		rubygem-tilt>=1.3<3:devel/rubygem-tilt
 
-USES=		gem
+USES=		cpe gem
+CPE_VENDOR=	${PORTNAME}rb
 USE_RUBY=	yes
 
 NO_ARCH=	yes
 
 PORTSCOUT=	limit:^1\.
 
 .include <bsd.port.mk>