diff --git a/science/py-OpenFermion-Dirac/Makefile b/science/py-OpenFermion-Dirac/Makefile
index ce4d801b5481..945ddc13caf1 100644
--- a/science/py-OpenFermion-Dirac/Makefile
+++ b/science/py-OpenFermion-Dirac/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	OpenFermion-Dirac
 DISTVERSION=	g20200831
 CATEGORIES=	science python # chemistry, quantum-computing
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Interface between OpenFermion and Dirac
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}OpenFermion>0:science/py-OpenFermion@${PY_FLAVOR} \
-		dirac-quantum-chemistry-software>0>0:science/dirac
+		dirac-quantum-chemistry-software>0:science/dirac
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	bsenjean
 GH_PROJECT=	Openfermion-Dirac
 GH_TAGNAME=	cc08a66
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>