diff --git a/devel/rubygem-celluloid/Makefile b/devel/rubygem-celluloid/Makefile
index ea43eace5bac..52a86b314a08 100644
--- a/devel/rubygem-celluloid/Makefile
+++ b/devel/rubygem-celluloid/Makefile
@@ -1,20 +1,25 @@
 # Created by: Ryan Steinmetz <zi@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	celluloid
 PORTVERSION=	0.12.4
 CATEGORIES=	devel rubygems
 MASTER_SITES=	RG
 
 MAINTAINER=	ruby@FreeBSD.org
 COMMENT=	Build concurrent programs out of concurrent objects
 
 RUN_DEPENDS=	rubygem-timers>=1.0.0:${PORTSDIR}/devel/rubygem-timers \
     		rubygem-facter>=1.6.12:${PORTSDIR}/sysutils/rubygem-facter
 
 USE_RUBY=	yes
-RUBY_VER=	1.9
 USE_RUBYGEMS=	yes
 RUBYGEM_AUTOPLIST=	yes
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${RUBY_VER} == 1.8
+BROKEN=		does not build with ruby ${RUBY_VER}
+.endif
+
+.include <bsd.port.post.mk>