diff --git a/security/pygost/Makefile b/security/pygost/Makefile
index 34badf62edbc..77eb0b33326a 100644
--- a/security/pygost/Makefile
+++ b/security/pygost/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	pygost
 PORTVERSION=	5.11
 CATEGORIES=	security python
 MASTER_SITES=	http://www.pygost.cypherpunks.ru/ \
 		http://www.grosbein.net/freebsd/distfiles/ \
 		LOCAL/eugen
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 EXTRACT_SUFX=	.tar.zst
 
 MAINTAINER=	eugen@FreeBSD.org
 COMMENT=	Pure Python 2.7/3.x GOST cryptographic functions library
 WWW=		http://www.pygost.cypherpunks.ru/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyderasn>=9.3:devel/py-pyderasn@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pyderasn>=9.3:devel/pyderasn@${PY_FLAVOR}
 
 USES=		tar:zst python
 USE_PYTHON=	autoplist concurrent distutils optsuffix
 
 NO_ARCH=	yes
 PYDISTUTILS_INSTALLARGS+=	--install-data ${DOCSDIR}
 
 .include <bsd.port.mk>