Index: image.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/image/image.module,v
retrieving revision 1.318
diff -u -p -r1.318 image.module
--- image.module	26 Aug 2009 18:21:22 -0000	1.318
+++ image.module	31 Aug 2009 09:50:28 -0000
@@ -172,7 +172,7 @@ function image_operations_rebuild($nids)
     if ($node = node_load($nid)) {
       if ($node->type == 'image') {
         $node->rebuild_images = TRUE;
-        image_update($node);
+        node_save($node);
       }
     }
   }
@@ -591,9 +591,6 @@ function image_update(&$node) {
       }
 
       $node->images = _image_build_derivatives($node, FALSE);
-
-      // Prevent multiple rebuilds.
-      $node->rebuild_images = FALSE;
     }
 
     $sizes = image_get_derivative_sizes($node->images[IMAGE_ORIGINAL]);