diff --git a/multimedia/arcan/Makefile b/multimedia/arcan/Makefile
index 1941307262bd..429b7ba6df6a 100644
--- a/multimedia/arcan/Makefile
+++ b/multimedia/arcan/Makefile
@@ -1,109 +1,110 @@
 PORTNAME=	arcan
 DISTVERSION=	0.6.0.1
 PORTREVISION=	3
 CATEGORIES=	multimedia
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
 PATCHFILES+=	347240c18313.patch:-p2 # https://github.com/letoram/arcan/pull/229
 PATCHFILES+=	bbdb86c8be1b.patch:-p2 # https://github.com/letoram/arcan/pull/230
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Display Server, Multimedia Framework, Game Engine
 
 LICENSE=	BSD3CLAUSE GPLv2+ LGPL21+
 LICENSE_COMB=	multi
 LICENSE_FILE_BSD3CLAUSE=${WRKSRC:H}/data/distr/LICENSE.BSD
 LICENSE_FILE_GPLv2+ =	${WRKSRC:H}/data/distr/LICENSE.GPL
 LICENSE_FILE_LGPL21+ =	${WRKSRC:H}/data/distr/LICENSE.LGPL
 
 LIB_DEPENDS=	libdrm.so:graphics/libdrm \
 		libfreetype.so:print/freetype2
 RUN_DEPENDS=	mesa-dri>0:graphics/mesa-dri
 
 USES=		cmake compiler:c11 gl iconv openal pkgconfig sqlite
 USE_GITHUB=	yes
 USE_GL=		egl gbm gl
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	letoram
 WRKSRC_SUBDIR=	src
 CMAKE_ON=	HYBRID_HEADLESS
 CMAKE_OFF=	STATIC_LIBUVC
-CMAKE_ARGS=	-DENGINE_BUILDTAG:STRING="${DISTVERSIONFULL}"
+CMAKE_ARGS=	-DDISTR_TAG:STRING="portbld" \
+		-DENGINE_BUILDTAG:STRING="${DISTVERSIONFULL}"
 LDFLAGS+=	-Wl,--as-needed # bzip2, ffmpeg, librt, libutil, lzma, zlib
 LDFLAGS_i386=	-Wl,-z,notext
 
 OPTIONS_DEFINE=	ESPEAK FFMPEG LUAJIT SDL SUID TESSERACT UVC VLC VNC WAYLAND
 OPTIONS_DEFAULT=ESPEAK FFMPEG LUAJIT SDL SUID TESSERACT UVC VLC VNC WAYLAND
 OPTIONS_SUB=	yes
 
 ESPEAK_DESC=		Text to speech via eSpeak
 ESPEAK_LIB_DEPENDS=	libespeak.so:audio/espeak
 
 FFMPEG_LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg
 
 LUAJIT_DESC=		Use LuaJIT instead of standard Lua
 LUAJIT_LIB_DEPENDS=	libluajit-5.1.so:lang/luajit-openresty
 LUAJIT_USES_OFF=	lua:51
 LUAJIT_CMAKE_BOOL_OFF=	DISABLE_JIT
 
 SDL_USES=		sdl
 SDL_USE=		SDL=sdl2
 SDL_CMAKE_BOOL=		HYBRID_SDL
 
 SUID_DESC=		setuid bit on "${PORTNAME}" binary
 SUID_PLIST_SUB=		MAYBE_SUID="@(,,4755) "
 SUID_PLIST_SUB_OFF=	MAYBE_SUID="@(,,0755) "
 
 TESSERACT_DESC=		Optical Character Recognition via Tesseract
 TESSERACT_LIB_DEPENDS=	libtesseract.so:graphics/tesseract
 
 VLC_DESC=		Video decode via libvlc
 VLC_LIB_DEPENDS=	libvlc.so:multimedia/vlc
 
 UVC_DESC=		USB video cameras via libuvc
 UVC_LIB_DEPENDS=	libuvc.so:multimedia/libuvc
 UVC_CMAKE_BOOL=		FSRV_DECODE_UVC
 
 VNC_DESC=		VNC client/server support
 VNC_LIB_DEPENDS=	libvncserver.so:net/libvncserver
 
 WAYLAND_BUILD_DEPENDS=	wayland-protocols>0:graphics/wayland-protocols
 WAYLAND_LIB_DEPENDS=	libwayland-server.so:graphics/wayland \
 			libxcb-icccm.so:x11/xcb-util-wm \
 			libxkbcommon.so:x11/libxkbcommon
 WAYLAND_RUN_DEPENDS=	xwayland-devel>0:x11-servers/xwayland-devel
 WAYLAND_USES=		xorg
 WAYLAND_USE=		XORG=xcb
 WAYLAND_CMAKE_BOOL_OFF=	DISABLE_WAYLAND
 
 post-patch:
 	@${REINPLACE_CMD} -i.prefix 's,/usr/local,${PREFIX},g' \
 		${WRKSRC:H}/doc/${PORTNAME}.1 \
 		${WRKSRC}/engine/arcan_vr.c \
 		${WRKSRC}/frameserver/decode/default/decode_av.c \
 		${WRKSRC}/frameserver/terminal/default/arcterm.c \
 		${WRKSRC}/frameserver/terminal/default/cli.c \
 		${WRKSRC}/frameserver/terminal/default/cli_builtin.c \
 		${WRKSRC}/platform/posix/paths.c \
 		${WRKSRC}/shmif/arcan_shmif_debugif.c
 
 post-patch-ESPEAK-off:
 	@${REINPLACE_CMD} -i.noespeak '/find.*Espeak/d' \
 		${WRKSRC}/frameserver/decode/default/CMakeLists.txt
 
 post-patch-FFMPEG-off:
 	@${REINPLACE_CMD} -i.noffmpeg '/pkg.*FFMPEG/d' \
 		${WRKSRC}/a12/CMakeLists.txt \
 		${WRKSRC}/frameserver/decode/default/CMakeLists.txt \
 		${WRKSRC}/frameserver/encode/default/CMakeLists.txt
 
 post-patch-TESSERACT-off:
 	@${REINPLACE_CMD} -i.notesseract '/pkg.*tesseract/d' \
 		${WRKSRC}/frameserver/encode/default/CMakeLists.txt
 
 post-patch-VNC-off:
 	@${REINPLACE_CMD} -i.novnc '/pkg.*libvnc/d' \
 		${WRKSRC}/frameserver/encode/default/CMakeLists.txt \
 		${WRKSRC}/frameserver/remoting/default/CMakeLists.txt
 
 .include <bsd.port.mk>