diff --git a/russian/d1489/Makefile b/russian/d1489/Makefile
index 5f82ceb38eb4..b30f33a7b0cc 100644
--- a/russian/d1489/Makefile
+++ b/russian/d1489/Makefile
@@ -1,15 +1,21 @@
 PORTNAME=	d1489
-PORTVERSION=	1.5.1
+DISTVERSION=	1.5.1
+PORTREVISION=	1
 CATEGORIES=	russian converters
 MASTER_SITES=	LOCAL/eugen \
 		http://www.grosbein.net/freebsd/distfiles/
-EXTRACT_SUFX=	.tgz
 
 MAINTAINER=	eugen@FreeBSD.org
 COMMENT=	Cp866<->koi8-r and cp1251<->koi8-r decoders, font converter (RFC1489)
 WWW=		https://koi8.pp.ru/unix.html
 
+# Mentioned in README and Makefile, but not in the source code.
+LICENSE=	BSD2CLAUSE
+
+USES=		tar:tgz
+
 MAKE_ARGS=	PREFIX=${PREFIX} STAGEDIR=${STAGEDIR}
+
 PLIST_FILES=	bin/a2kfcnv bin/fromdos bin/todos bin/fromwin bin/towin
 
 .include <bsd.port.mk>