diff -ruN /usr/ports/games/pushover/Makefile ./pushover/Makefile
--- /usr/ports/games/pushover/Makefile	2013-12-14 19:10:06.000000000 +0100
+++ ./pushover/Makefile	2013-12-28 12:29:25.000000000 +0100
@@ -9,6 +9,9 @@
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	A puzzle game where the goal is to push over all dominoes
 
+LICENSE=	GPLv3
+LICENSE_FILE=	${WRKSRC}/COPYING
+
 LIB_DEPENDS=	libpng.so:${PORTSDIR}/graphics/png
 
 GNU_CONFIGURE=	yes