diff --git a/devel/rubygem-json1/Makefile b/devel/rubygem-json1/Makefile
index 676511e9b720..776872430545 100644
--- a/devel/rubygem-json1/Makefile
+++ b/devel/rubygem-json1/Makefile
@@ -1,21 +1,23 @@
 # Created by: Cheng-Lung Sung <clsung@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	json
 PORTVERSION=	1.8.3
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 PKGNAMESUFFIX=	1
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Parse JSON texts and generate them from ruby data structures
 
 LICENSE=	GPLv2 RUBY
 LICENSE_COMB=	dual
 LICENSE_FILE_GPLv2=	${WRKSRC}/GPL
 LICENSE_FILE_RUBY=	${WRKSRC}/COPYING
 
 USE_RUBY=	yes
 USES=		gem
 
+PORTSCOUT=	limit:^1\.
+
 .include <bsd.port.mk>