diff --git a/ChangeLog b/ChangeLog
index 1594cf672d..17726636ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-12-27  Christian Persch  <chpe@gnome.org>
+
+	* gdk/x11/gdkscreen-x11.c: (init_randr12): Fir the patch from 
+	bug #504886 not to read unitialised memory.
+
 2007-12-26  Xan Lopez  <xan@gnome.org>
 
 	* gtk/gtkstatusbar.c (has_extra_children): take into account the
diff --git a/gdk/x11/gdkscreen-x11.c b/gdk/x11/gdkscreen-x11.c
index 5c1f36e5db..9fd56dde06 100644
--- a/gdk/x11/gdkscreen-x11.c
+++ b/gdk/x11/gdkscreen-x11.c
@@ -684,7 +684,7 @@ init_randr12 (GdkScreen *screen)
     return FALSE;
   
   monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor),
-                                monitors->len);
+                                resources->noutput);
 
   for (i = 0; i < resources->noutput; ++i)
     {