diff --git a/ChangeLog b/ChangeLog
index f2ab3837dd..e9f896e223 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,12 @@
+2006-09-21  Michael Natterer  <mitch@imendio.com>
+
+	* gdk/quartz/gdkwindow-quartz.c
+	(gdk_window_impl_quartz_begin_paint_region): fix cast: it's
+	drawable_impl->wrapper that is the GdkWindow, not the
+	drawable_impl itself.
+
 2006-09-20  Behnam Esfahbod <behnam@zwnj.org>
+
 	* gdk/x11/gdkkeys-x11.c:
 	  (get_direction): just check the first shift-level of keyboard
 	layout for RTL and LTR keysyms() (compliment to #116626)
diff --git a/gdk/quartz/gdkwindow-quartz.c b/gdk/quartz/gdkwindow-quartz.c
index 0625dd8d98..e01e0046d6 100644
--- a/gdk/quartz/gdkwindow-quartz.c
+++ b/gdk/quartz/gdkwindow-quartz.c
@@ -189,7 +189,7 @@ gdk_window_impl_quartz_begin_paint_region (GdkPaintable *paintable,
       
       x_offset = y_offset = 0;
       
-      window = GDK_WINDOW (GDK_DRAWABLE_IMPL_QUARTZ (impl));
+      window = GDK_WINDOW (GDK_DRAWABLE_IMPL_QUARTZ (impl)->wrapper);
       while (window && ((GdkWindowObject *) window)->bg_pixmap == GDK_PARENT_RELATIVE_BG)
         {
           /* If this window should have the same background as the parent,