diff --git a/deskutils/kchmviewer/Makefile b/deskutils/kchmviewer/Makefile
index 123ddad2378d..a208df544ec8 100644
--- a/deskutils/kchmviewer/Makefile
+++ b/deskutils/kchmviewer/Makefile
@@ -1,24 +1,24 @@
 # Created by: Markus Brueffer <markus@FreeBSD.org>
 
 PORTNAME=	kchmviewer
-PORTVERSION=	8.0
+DISTVERSIONPREFIX=	RELEASE_
+DISTVERSION=	8_0
 CATEGORIES=	deskutils kde
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	KDE viewer for CHM files
 
 LIB_DEPENDS=	libchm.so:misc/chmlib \
 		libzip.so:archivers/libzip
 
 USES=		compiler:c++11-lang dos2unix qmake:outsource qt:5 xorg
 USE_QT=		core dbus gui network printsupport webkit widgets xml \
 		buildtools_build qmake_build
 USE_XORG=	x11
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	gyunaev
-GH_TAGNAME=	RELEASE_8_0
 
 DOS2UNIX_GLOB=	*.cpp *.h *.pro *.ui
 
 .include <bsd.port.mk>
diff --git a/deskutils/kchmviewer/distinfo b/deskutils/kchmviewer/distinfo
index c48d6ee3ae26..bedc94f654c6 100644
--- a/deskutils/kchmviewer/distinfo
+++ b/deskutils/kchmviewer/distinfo
@@ -1,3 +1,3 @@
 TIMESTAMP = 1622919457
-SHA256 (gyunaev-kchmviewer-8.0-RELEASE_8_0_GH0.tar.gz) = 0eec144b2c09c8b6be98b795f84767098c893bdad7b5a3d11fc5faafead5f9b2
-SIZE (gyunaev-kchmviewer-8.0-RELEASE_8_0_GH0.tar.gz) = 311899
+SHA256 (gyunaev-kchmviewer-RELEASE_8_0_GH0.tar.gz) = 0eec144b2c09c8b6be98b795f84767098c893bdad7b5a3d11fc5faafead5f9b2
+SIZE (gyunaev-kchmviewer-RELEASE_8_0_GH0.tar.gz) = 311899