diff --git a/emulators/fceux/Makefile b/emulators/fceux/Makefile
index b8cdef87b71a..d8f379380948 100644
--- a/emulators/fceux/Makefile
+++ b/emulators/fceux/Makefile
@@ -1,53 +1,70 @@
 PORTNAME=	fceux
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.6.6
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	emulators games
 
 PATCH_SITES=	https://github.com/TASEmulators/fceux/commit/
 PATCHFILES=	396096223ec58ff7f437ec0de7275240946531c5.diff:-p1 \
 		d2ee6351c08518c866bb48d89f58a67bb36931fc.diff:-p1
 
 MAINTAINER=	fuz@FreeBSD.org
 COMMENT=	NES emulator
 WWW=		https://fceux.com
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libminizip.so:archivers/minizip
 
-USES=		cmake desktop-file-utils gl libarchive lua:51 pkgconfig qt:5 sdl
-USE_GL=		gl glu
-USE_QT=		buildtools:build core gui opengl qmake:build widgets
-USE_SDL=	sdl2
+FLAVORS=	qt5 qt6
+FLAVOR?=	${FLAVORS:[1]}
+qt5_PKGNAMEPREFIX=	qt5-
+qt6_PKGNAMEPREFIX=	qt6-
 
+USES=		cmake desktop-file-utils gl libarchive lua:51 pkgconfig sdl
 USE_GITHUB=	yes
 GH_ACCOUNT=	TASEmulators
+USE_GL=		gl glu
+USE_SDL=	sdl2
+
+.if ${FLAVOR} == qt5
+USE_QT=		buildtools:build core gui opengl qmake:build widgets
+USES+=		qt:5
+CMAKE_OFF=	QT6
+.else
+USES+=		qt:6
+USE_QT=		base
+CMAKE_ON=	QT6
+.endif
 
 CFLAGS+=	-DPUBLIC_RELEASE
-CMAKE_ON=	GLVND
+CMAKE_ON+=	GLVND QHELP QT6
 
 OPTIONS_DEFINE=		DOCS FFMPEG X264 X265
 OPTIONS_DEFAULT=	FFMPEG X264 X265
 DOCS_CMAKE_BOOL=	QHELP
+.if ${FLAVOR} == qt5
 DOCS_USE=		qt=help,sql
+.else
+DOCS_USE=		qt=tools
+.endif
 FFMPEG_LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg
 X264_LIB_DEPENDS=	libx264.so:multimedia/libx264
 X265_LIB_DEPENDS=	libx265.so:multimedia/x265
 
 pre-configure:
 	${REINPLACE_CMD} -e 's,/usr,${PREFIX},' ${WRKSRC}/fceux.desktop
 	${REINPLACE_CMD} -e 's:%%PKGNAME%%:${PKGNAME}:' ${WRKSRC}/scripts/genGitHdr.sh
 	${REINPLACE_CMD} -e 's,/usr,${PREFIX},' ${WRKSRC}/src/drivers/Qt/HelpPages.cpp
 
 pre-build-DOCS-on:
 	${SETENV} QHELPGENERATOR=${QHELPGENERATOR} PROJECT_ROOT=${WRKSRC} ${SH} ${WRKSRC}/scripts/unix_make_docs.sh
 
 post-install:
 	${RM} ${STAGEDIR}${DATADIR}/*.dll
 	${RM} ${STAGEDIR}${DATADIR}/*.chm
 	# currently broken and not shipped
 	${RM} ${STAGEDIR}${PREFIX}/share/man/man6/fceux-net-server.6
 
 .include <bsd.port.mk>