app/views/spree/api/orders/_order.json.jbuilder in solidus_api-2.10.0.beta1 vs app/views/spree/api/orders/_order.json.jbuilder in solidus_api-2.10.0

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 json.cache! [I18n.locale, order] do
   json.(order, *order_attributes)
   json.display_item_total(order.display_item_total.to_s)
-  json.total_quantity(order.line_items.sum(:quantity))
+  json.total_quantity(order.line_items.to_a.sum(&:quantity))
   json.display_total(order.display_total.to_s)
   json.display_ship_total(order.display_ship_total)
   json.display_tax_total(order.display_tax_total)
   json.token(order.guest_token)
   json.checkout_steps(order.checkout_steps)