--- sites/all/modules/ubercart/uc_product/uc_product_orig.module
+++ sites/all/modules/ubercart/uc_product/uc_product.module
@@ -659,6 +659,7 @@
     db_query("UPDATE {uc_products} SET model = '%s', list_price = %f, cost = %f, sell_price = %f, weight = %f, weight_units = '%s', length = %f, width = %f, height = %f, length_units = '%s', pkg_qty = %d, default_qty = %d, ordering = %d, shippable = %d WHERE vid = %d",
       $node->model, $node->list_price, $node->cost, $node->sell_price, $node->weight, $node->weight_units, $node->dim_length, $node->dim_width, $node->dim_height, $node->length_units, $node->pkg_qty, $node->default_qty, $node->ordering, $node->shippable, $node->vid);
   }
+  db_query("UPDATE {uc_product_stock} SET sku = '%s' WHERE nid=%d", $node->model, $node->nid, $node->nid);
 }
 
 /**