diff --git a/graphics/rubygem-captcha/Makefile b/graphics/rubygem-captcha/Makefile
index 154f5e1fbca9..5bf5b000db07 100644
--- a/graphics/rubygem-captcha/Makefile
+++ b/graphics/rubygem-captcha/Makefile
@@ -1,20 +1,21 @@
 # Created by: Alexander Logvinov <ports@logvinov.com>
 # $FreeBSD$
 
 PORTNAME=	captcha
 PORTVERSION=	1.2.2
 CATEGORIES=	graphics rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Simple CAPTCHA written in Ruby
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	rubygem-rmagick>=2.9.2:${PORTSDIR}/graphics/rubygem-rmagick
 
+NO_ARCH=	yes
 USE_RUBY=	yes
 USE_RUBYGEMS=	yes
 RUBYGEM_AUTOPLIST=	yes
 
 .include <bsd.port.mk>