diff --git a/x11-toolkits/p5-Tk-TableMatrix/Makefile b/x11-toolkits/p5-Tk-TableMatrix/Makefile
index afadc78564cf..22fc0b430b5e 100644
--- a/x11-toolkits/p5-Tk-TableMatrix/Makefile
+++ b/x11-toolkits/p5-Tk-TableMatrix/Makefile
@@ -1,26 +1,27 @@
 # Created by: Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	Tk-TableMatrix
 PORTVERSION=	1.23
 PORTREVISION=	7
 CATEGORIES=	x11-toolkits perl5
 MASTER_SITES=	CPAN
 PKGNAMEPREFIX=	p5-
 
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	Table/matrix extension to perl/tk for displaying table formatted data
 
 BUILD_DEPENDS=	p5-Tk>=0:${PORTSDIR}/x11-toolkits/p5-Tk
 RUN_DEPENDS:=	${BUILD_DEPENDS}
 
 USES=		perl5
 USE_PERL5=	configure
 CONFIGURE_ARGS=	X11LIB=${LOCALBASE}/lib X11INC=${LOCALBASE}/include
+MAKE_JOBS_UNSAFE=	yes
 
 # This would conflict with x11-toolkits/p5-Tk
 post-install:
 	@${RM} ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Tk/pTk/extralibs.ld
 	@${RMDIR} -p ${STAGEDIR}${PREFIX}/${SITE_ARCH_REL}/auto/Tk/pTk 2>/dev/null || :
 
 .include <bsd.port.mk>