diff --git a/x11-wm/piewm/Makefile b/x11-wm/piewm/Makefile
index 0ec2386e3dee..9bba22ce0bdb 100644
--- a/x11-wm/piewm/Makefile
+++ b/x11-wm/piewm/Makefile
@@ -1,17 +1,19 @@
 PORTNAME=	piewm
 PORTVERSION=	1.04
 PORTREVISION=	5
 CATEGORIES=	x11-wm
 MASTER_SITES=	http://www.catwhisker.org/~david/FreeBSD/distfiles/ https://web.archive.org/web/20160424061632if_/http://www.crynwr.com/piewm/ LOCAL/dhw
 
 MAINTAINER=	david@catwhisker.org
 COMMENT=	tvtwm with pie (circular) menus
 WWW=		https://web.archive.org/web/20160409071502if_/http://www.crynwr.com/piewm/index.html~
 
+LICENSE=	MIT
+
 USES=		imake xorg
 DISABLE_SIZE=	yes
 USE_XORG=	xbitmaps xpm xmu
 
 CFLAGS+=	-Wno-return-type
 
 .include <bsd.port.mk>