diff --git a/devel/tcl8-thread/Makefile b/devel/tcl8-thread/Makefile
index 6d1f63f858cb..d2e9ab61a893 100644
--- a/devel/tcl8-thread/Makefile
+++ b/devel/tcl8-thread/Makefile
@@ -1,47 +1,47 @@
 PORTNAME=	thread
 PORTVERSION=	2.8.10
 CATEGORIES=	devel
 MASTER_SITES=	SF/tcl/Tcl/8.6.15/
 PKGNAMEPREFIX=	tcl8
 DISTNAME=	${PORTNAME}${PORTVERSION}
 
 MAINTAINER=	tcltk@FreeBSD.org
 COMMENT=	Scripting level thread extension for Tcl
 WWW=		https://wiki.tcl.tk/2770
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/license.terms
 
-USES=		tcl:tcl8,tea
+USES=		tcl:86,tea
 
 DOCSDIR=	${PREFIX}/share/doc/${TCL_PKG}
 USE_LDCONFIG=	${PREFIX}/lib/${TCL_PKG}
 
 PLIST_SUB+=	VERSION="${PORTVERSION}"
 
 INSTALL_TARGET=	install-binaries install-doc
 TEST_TARGET=	test
 
 OPTIONS_DEFINE=	DOCS GDBM LMDB
 OPTIONS_DEFAULT=GDBM
 GDBM_DESC=	Persistent shared variables using GDBM
 LMDB_DESC=	Persistent shared variables using LMDB
 GDBM_LIB_DEPENDS=	libgdbm.so:databases/gdbm
 GDBM_CONFIGURE_WITH=	gdbm
 LMDB_LIB_DEPENDS=	liblmdb.so:databases/lmdb
 LMDB_CONFIGURE_WITH=	lmdb
 
 PORTDOCS=	*
 
 post-patch:
 	@${REINPLACE_CMD} "/INSTALL_LIBRARY=/s|'\$$| -s'|" \
 	    ${WRKSRC}/tclconfig/tcl.m4
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}/html
 .for FILE in ChangeLog README
 	${INSTALL_DATA} ${WRKSRC}/${FILE} ${STAGEDIR}${DOCSDIR}
 .endfor
 	cd ${WRKSRC}/doc/html && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR}/html
 
 .include <bsd.port.mk>