diff --git a/math/octave-forge-data-smoothing/Makefile b/math/octave-forge-data-smoothing/Makefile
index a5f70931a1e7..369b6d9f4e24 100644
--- a/math/octave-forge-data-smoothing/Makefile
+++ b/math/octave-forge-data-smoothing/Makefile
@@ -1,24 +1,26 @@
 PORTNAME=	octave-forge-data-smoothing
 PORTVERSION=	1.3.0
 PORTREVISION=	25
 CATEGORIES=	math
 MASTER_SITES=	SF/octave/Octave%20Forge%20Packages/Individual%20Package%20Releases
 DISTNAME=	${OCTAVE_PKGNAME}-${DISTVERSIONFULL}
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 WWW=		https://packages.octave.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKDIR}/${OCTAVE_SRC}/COPYING
 
+BROKEN=		depends upon math/octave-forge-optim, which is broken
+
 RUN_DEPENDS+=	${OCTAVE_TARBALLS_DIR}/optim.tar.gz:math/octave-forge-optim
 
 USES=		octave
 
 NO_ARCH=	yes
 NO_BUILD=	yes
 
 OCTAVE_SRC=		${OCTAVE_PKGNAME}
 
 .include <bsd.port.mk>