diff --git a/mutter-fix-crash-when-frame-is-NULL.patch b/mutter-fix-crash-when-frame-is-NULL.patch
new file mode 100644
index 0000000..234e1c4
--- /dev/null
+++ b/mutter-fix-crash-when-frame-is-NULL.patch
@@ -0,0 +1,52 @@
+From c669a3892e377daaf31a574618a4f8566bd9df61 Mon Sep 17 00:00:00 2001
+From: "Owen W. Taylor" <otaylor@fishsoup.net>
+Date: Tue, 1 May 2012 13:40:08 -0400
+Subject: [PATCH] meta_window_move_frame(): fix crash when frame is NULL
+
+When meta_frame_calc_borders() was made to take a NULL frame argument,
+a crash was accidentally introduced into meta_window_move_frame().
+
+This partially reverts 8c1b2d5.
+
+https://bugzilla.gnome.org/show_bug.cgi?id=675254
+---
+ src/core/window.c |   22 ++++++++++++----------
+ 1 file changed, 12 insertions(+), 10 deletions(-)
+
+diff --git a/src/core/window.c b/src/core/window.c
+index 08e413c..e51de1b 100644
+--- a/src/core/window.c
++++ b/src/core/window.c
+@@ -5080,18 +5080,20 @@ meta_window_move_frame (MetaWindow  *window,
+ {
+   int x = root_x_nw;
+   int y = root_y_nw;
+-  MetaFrameBorders borders;
+-
+-  meta_frame_calc_borders (window->frame, &borders);
+ 
+-  /* root_x_nw and root_y_nw correspond to where the top of
+-   * the visible frame should be. Offset by the distance between
+-   * the origin of the window and the origin of the enclosing
+-   * window decorations.
+-   */
+-  x += window->frame->child_x - borders.invisible.left;
+-  y += window->frame->child_y - borders.invisible.top;
++  if (window->frame)
++    {
++      MetaFrameBorders borders;
++      meta_frame_calc_borders (window->frame, &borders);
+ 
++      /* root_x_nw and root_y_nw correspond to where the top of
++       * the visible frame should be. Offset by the distance between
++       * the origin of the window and the origin of the enclosing
++       * window decorations.
++       */
++      x += window->frame->child_x - borders.invisible.left;
++      y += window->frame->child_y - borders.invisible.top;
++    }
+   meta_window_move (window, user_op, x, y);
+ }
+ 
+-- 
+1.7.10
diff --git a/mutter.changes b/mutter.changes
index 4e024e3..00c2abb 100644
--- a/mutter.changes
+++ b/mutter.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat May  5 07:50:00 UTC 2012 - zaitor@opensuse.org
+
+- Add mutter-fix-crash-when-frame-is-NULL.patch: fixes crashes in
+  various extensions.
+
 -------------------------------------------------------------------
 Wed Apr 18 07:37:39 UTC 2012 - vuntz@opensuse.org
 
diff --git a/mutter.spec b/mutter.spec
index c802673..78e178d 100644
--- a/mutter.spec
+++ b/mutter.spec
@@ -24,6 +24,8 @@ License:        GPL-2.0+
 Group:          System/GUI/GNOME
 Url:            http://www.gnome.org
 Source:         http://download.gnome.org/sources/mutter/3.4/%{name}-%{version}.tar.xz
+# PATCH-FIX-UPSTREAM mutter-fix-crash-when-frame-is-NULL.patch bgo#675254 zaitor@opensuse.org -- fixes crashes in extensions. 
+Patch0:         mutter-fix-crash-when-frame-is-NULL.patch
 BuildRequires:  fdupes
 BuildRequires:  gnome-doc-utils-devel
 BuildRequires:  gobject-introspection-devel >= 0.9.5
@@ -88,6 +90,7 @@ to develop applications that require these.
 %lang_package
 %prep
 %setup -q
+%patch0 -p1
 translation-update-upstream
 
 %if 0%{?BUILD_FROM_VCS}