diff --git a/uc_attribute/uc_attribute.module b/uc_attribute/uc_attribute.module
index 711ee1b..df902d5 100644
--- a/uc_attribute/uc_attribute.module
+++ b/uc_attribute/uc_attribute.module
@@ -428,7 +428,7 @@ function uc_attribute_order_product_alter(&$product, $order) {
     $attributes = array();
     $options = _uc_cart_product_get_options($product);
     foreach ($options as $aid => $option) {
-      $attributes[$option['attribute']][] = $option['name'];
+      $attributes[$option['attribute']][$option['oid']] = $option['name'];
     }
     $product->data['attributes'] = $attributes;
   }