diff --git a/x11-wm/mutter/Makefile b/x11-wm/mutter/Makefile
index 668d98c3d2f9..fc51622dd296 100644
--- a/x11-wm/mutter/Makefile
+++ b/x11-wm/mutter/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	mutter
-PORTVERSION=	3.18.3
+PORTVERSION=	3.18.4
 CATEGORIES=	x11-wm
 MASTER_SITES=	GNOME
 DIST_SUBDIR=	gnome3
@@ -10,6 +10,9 @@ DIST_SUBDIR=	gnome3
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	Window and compositing manager based on Clutter
 
+LICENSE=	GPLv2+
+LICENSE_FILE=	${WRKSRC}/COPYING
+
 BUILD_DEPENDS=	zenity>=3.0.0:x11/zenity \
 		gsettings-desktop-schemas>=3.4.0:devel/gsettings-desktop-schemas
 LIB_DEPENDS=	libstartup-notification-1.so:x11/startup-notification \
diff --git a/x11-wm/mutter/distinfo b/x11-wm/mutter/distinfo
index 02ad8e591d09..be5b1cb58937 100644
--- a/x11-wm/mutter/distinfo
+++ b/x11-wm/mutter/distinfo
@@ -1,2 +1,3 @@
-SHA256 (gnome3/mutter-3.18.3.tar.xz) = 58dd88d5596bb0377ae3aed692b306995de45aefae9e215cfaf4b13287526846
-SIZE (gnome3/mutter-3.18.3.tar.xz) = 1469556
+TIMESTAMP = 1478470097
+SHA256 (gnome3/mutter-3.18.4.tar.xz) = 3cd2d49ac269139a8860d84dfba4d5d5a8318c1510515b99681916ba8334d393
+SIZE (gnome3/mutter-3.18.4.tar.xz) = 1469140
diff --git a/x11-wm/mutter/files/patch-src_Makefile.in b/x11-wm/mutter/files/patch-src_Makefile.in
index ccc06b093e2b..33bc4c2e3a84 100644
--- a/x11-wm/mutter/files/patch-src_Makefile.in
+++ b/x11-wm/mutter/files/patch-src_Makefile.in
@@ -1,6 +1,6 @@
---- src/Makefile.in.orig	2014-09-29 20:29:47.729666937 +0200
-+++ src/Makefile.in	2014-09-29 20:31:17.504662747 +0200
-@@ -951,7 +951,7 @@
+--- src/Makefile.in.orig	2016-04-21 10:20:11 UTC
++++ src/Makefile.in
+@@ -1021,7 +1021,7 @@ testboxes_LDADD = $(MUTTER_LIBS) libmutt
  @HAVE_INTROSPECTION_TRUE@	$(libmutterinclude_base_headers)	\
  @HAVE_INTROSPECTION_TRUE@	$(filter %.c,$(libmutter_la_SOURCES) $(nodist_libmutter_la_SOURCES))
  
diff --git a/x11-wm/mutter/pkg-descr b/x11-wm/mutter/pkg-descr
index 54c14b743c7e..8d3c6e5ea090 100644
--- a/x11-wm/mutter/pkg-descr
+++ b/x11-wm/mutter/pkg-descr
@@ -4,4 +4,4 @@ features that may be expected by traditional UNIX  or  other  technical
 users;  these users may want to investigate other available window man-
 agers for use with GNOME or standalone.
 
-WWW: -
+WWW: https://wiki.gnome.org/