diff --git a/math/py-moarchiving/Makefile b/math/py-moarchiving/Makefile
index 40c60fb5e2a7..e81d13dbd0b9 100644
--- a/math/py-moarchiving/Makefile
+++ b/math/py-moarchiving/Makefile
@@ -1,19 +1,24 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	moarchiving
 PORTVERSION=	0.6.0
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Biobjective Archive class with hypervolume indicator and uncrowded hypervolume improvement computation
 
 LICENSE=	BSD3CLAUSE
 
 USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
+OPTIONS_DEFINE=	ARBITRARY_PRECISION
+ARBITRARY_PRECISION_DESC=	Arbitrary precision hypervolume computation support
+
+ARBITRARY_PRECISION_RUN_DEPENDS=${PYTHON_PKGNAMEPREFIX}fraction>=0:math/py-fraction@${PY_FLAVOR}
+
 .include <bsd.port.mk>