diff --git a/archivers/zstd/Makefile b/archivers/zstd/Makefile
index ed8af4b8bddf..c3d6153e9861 100644
--- a/archivers/zstd/Makefile
+++ b/archivers/zstd/Makefile
@@ -1,37 +1,38 @@
 PORTNAME=	zstd
 PORTVERSION=	1.5.2
 PORTREVISION=	1
 CATEGORIES=	archivers
 MASTER_SITES=	https://github.com/facebook/zstd/releases/download/v${PORTVERSION}/
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Fast real-time compression algorithm
 
 LICENSE=	BSD3CLAUSE GPLv2
 LICENSE_COMB=	dual
 LICENSE_FILE_BSD3CLAUSE=${WRKSRC}/LICENSE
 LICENSE_FILE_GPLv2=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	liblz4.so:archivers/liblz4
+TEST_DEPENDS=	gmd5sum:sysutils/coreutils # required by FreeBSD 13.0
 
 USES=		gmake localbase:ldflags tar:zst
 
 ALL_TARGET=	default
-BINARY_ALIAS=	gmd5sum=md5sum
+#BINARY_ALIAS=	gmd5sum=md5sum
 TEST_TARGET=	test
 USE_LDCONFIG=	yes
 
 PLIST_SUB=	PORTVERSION=${PORTVERSION}
 
 OPTIONS_DEFINE=	OPTIMIZED_CFLAGS
 
 OPTIMIZED_CFLAGS_VARS=	CFLAGS+=-O3
 
 post-build:
 	cd ${WRKSRC}/programs && ${SETENV} ${MAKE_ENV} ${MAKE_CMD} zstd-frugal
 
 post-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/programs/zstd-frugal ${STAGEDIR}${PREFIX}/bin/zstd-frugal
 	${LN} -s zstd.1.gz ${STAGEDIR}${PREFIX}/man/man1/zstdmt.1.gz
 
 .include <bsd.port.mk>