diff --git a/x11/fireflies/Makefile b/x11/fireflies/Makefile
index 12c34bad7281..d252b4012dcc 100644
--- a/x11/fireflies/Makefile
+++ b/x11/fireflies/Makefile
@@ -1,29 +1,32 @@
 # Created by: UMENO Takashi <umeno@rr.iij4u.or.jp>
 
 PORTNAME=	fireflies
 PORTVERSION=	2.07
 PORTREVISION=	7
 CATEGORIES=	x11
 MASTER_SITES=	http://somewhere.fscked.org/proj/fireflies/files/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Extension of xscreensaver
 
+LICENSE=	GPLv2
+LICENSE_FILE=	${WRKSRC}/COPYING
+
 LIB_DEPENDS=	libgfx.so:graphics/libgfx
 
 GNU_CONFIGURE=	yes
 USES=		gl
-USE_GL=		glu
+USE_GL=		gl glu
 EXTRACT_AFTER_ARGS=--exclude '${DISTNAME}/libgfx*'
 
 CPPFLAGS+=	-I${LOCALBASE}/include -I${LOCALBASE}/include/GL
 LDFLAGS+=	-L${LOCALBASE}/lib
 CONFIGURE_ARGS=	--with-bindir=${LOCALBASE}/bin/xscreensaver-hacks \
 		--with-confdir=${LOCALBASE}/share/xscreensaver/config
 PLIST_SUB=	VERSION=${PORTVERSION}
 
 MAKE_ARGS=	CONFIGURE_ENV=${CONFIGURE_ENV:Q} \
 		CONFIGURE_SCRIPT=${CONFIGURE_SCRIPT:Q} \
 		CONFIGURE_ARGS=${CONFIGURE_ARGS:Q}
 
 .include <bsd.port.mk>