diff --git a/ChangeLog b/ChangeLog
index 5c73e09491..06368fed6b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-11-05  Sven Neumann  <sven@gimp.org>
+
+	* app/core/gimpimagemap.c (gimp_image_map_clear): update the
+	drawable, not the image. This change was missing in the fix for
+	bug #490182. Fixes bug #493639.
+
 2007-11-05  Michael Natterer  <mitch@gimp.org>
 
 	* app/widgets/gimpcurveview.[ch]: added event handling and
diff --git a/app/core/gimpimagemap.c b/app/core/gimpimagemap.c
index 7103047487..502751817f 100644
--- a/app/core/gimpimagemap.c
+++ b/app/core/gimpimagemap.c
@@ -456,20 +456,9 @@ gimp_image_map_clear (GimpImageMap *image_map)
         }
       else
         {
-          GimpImage *image;
-          gint       off_x, off_y;
-
           copy_region (&srcPR, &destPR);
 
-          image = gimp_item_get_image (GIMP_ITEM (image_map->drawable));
-
-          gimp_item_offsets (GIMP_ITEM (image_map->drawable), &off_x, &off_y);
-
-          /*  Update the image -- It is important to call gimp_image_update()
-           *  instead of gimp_drawable_update() because we don't want the
-           *  drawable preview to be constantly invalidated
-           */
-          gimp_image_update (image, x + off_x, y + off_y, width, height);
+          gimp_drawable_update (image_map->drawable, x, y, width, height);
         }
 
       /*  Free the undo_tiles tile manager  */