diff --git a/math/octave-forge-mechanics/Makefile b/math/octave-forge-mechanics/Makefile
index 1f13a9f7a272..d2876c45f2fe 100644
--- a/math/octave-forge-mechanics/Makefile
+++ b/math/octave-forge-mechanics/Makefile
@@ -7,11 +7,16 @@
 
 PORTNAME=	octave-forge-mechanics
 PORTVERSION=	1.2.0
+PORTREVISION=	1
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 
+RUN_DEPENDS+=	${TARBALLS_DIR}/general.tar.gz:${PORTSDIR}/math/octave-forge-general
+RUN_DEPENDS+=	${TARBALLS_DIR}/geometry.tar.gz:${PORTSDIR}/math/octave-forge-geometry
+RUN_DEPENDS+=	${TARBALLS_DIR}/linear-algebra.tar.gz:${PORTSDIR}/math/octave-forge-linear-algebra
+
 # OCTSRC is the name of the directory of the package.
 # It is usually ${OCTAVE_PKGNAME} or ${DISTNAME}.
 OCTSRC=		${OCTAVE_PKGNAME}