Notice: Trying to get property of non-object in commerce_product_ui_product_title() (line 120 of commerce_product_ui.module

Hi

I'm getting this PHP notice in the product listing view (admin/commerce/products).
I've found that the problem is originated in the Operations field in the view, this call of menu_contextual_links in the commerce_product_handler_field_product_operations handler:

$links = menu_contextual_links('commerce-product', 'admin/commerce/products', array($product_id));

This call looks for the admin/commerce/products/%commerce_product item link and the title callback is the function raising the error:

function commerce_product_ui_product_title($product) {
  return t('Product: @sku', array('@sku' => $product->sku));
}

I think that $product is a integer when called from the view and the callback is somehow expecting an object with SKU property.