diff --git a/math/octave-forge-symbolic/Makefile b/math/octave-forge-symbolic/Makefile
index a09f4ef96f47..39186107fa3f 100644
--- a/math/octave-forge-symbolic/Makefile
+++ b/math/octave-forge-symbolic/Makefile
@@ -1,34 +1,36 @@
 PORTNAME=	octave-forge-symbolic
 PORTVERSION=	3.0.1
 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=		http://octave.sourceforge.net/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKDIR}/${OCTSRC}/COPYING
 
+USES=		python
+
 BUILD_DEPENDS+=	isympy:math/py-sympy@${PY_FLAVOR}
 RUN_DEPENDS+=	isympy:math/py-sympy@${PY_FLAVOR}
 
 # OCTSRC is the name of the directory of the package.
 # It is usually ${OCTAVE_PKGNAME} or ${DISTNAME}.
 OCTSRC=		${DISTNAME}
 
 WRKSRC=		${WRKDIR}/${OCTSRC}/src
 
 .include "${.CURDIR}/../../Mk/bsd.octave.mk"
 
 do-build:
 	${DO_NADA}
 
 NO_ARCH=	yes
 
 post-build:
 	${RM} ${WRKSRC}/Makefile ${WRKSRC}/configure
 	cd ${WRKDIR} && ${TAR} cfz ${OCTAVE_DISTNAME}.tar.gz ${OCTSRC}
 
 .include <bsd.port.mk>