diff --git a/archivers/rubygem-minitar/Makefile b/archivers/rubygem-minitar/Makefile
index 739a6e2e2a5e..1b16b38bfd78 100644
--- a/archivers/rubygem-minitar/Makefile
+++ b/archivers/rubygem-minitar/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	minitar
 PORTVERSION=	1.1.0
 CATEGORIES=	archivers rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Library and command-line utility for tar archives
 WWW=		https://github.com/halostatue/minitar
 
 LICENSE=	BSD2CLAUSE RUBY
 LICENSE_COMB=	dual
 LICENSE_FILE_BSD2CLAUSE=${WRKSRC}/docs/bsdl.txt
 LICENSE_FILE_RUBY=	${WRKSRC}/docs/ruby.txt
 
-USES=		gem
+USES=		cpe gem
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>