diff --git a/www/rubygem-rackup/Makefile b/www/rubygem-rackup/Makefile
index 7ee38e674b23..c42da6598deb 100644
--- a/www/rubygem-rackup/Makefile
+++ b/www/rubygem-rackup/Makefile
@@ -1,20 +1,22 @@
 PORTNAME=	rackup
 DISTVERSION=	2.1.0
 CATEGORIES=	www rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	yasu@FreeBSD.org
 COMMENT=	General server command for Rack applications
 WWW=		https://github.com/rack/rackup
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/license.md
 
 RUN_DEPENDS=	rubygem-rack>=3,3:www/rubygem-rack \
 		rubygem-webrick>=1.8<2:www/rubygem-webrick
 
 USES=		gem
 
+NO_ARCH=	yes
+
 PLIST_FILES=	bin/rackup
 
 .include <bsd.port.mk>