diff --git a/app/models/order_cycle.rb b/app/models/order_cycle.rb
index 9c7837c4c4..607d49b061 100644
--- a/app/models/order_cycle.rb
+++ b/app/models/order_cycle.rb
@@ -240,8 +240,8 @@ class OrderCycle < ActiveRecord::Base
   end
 
   def exchanges_supplying(order)
-    variants_relation = Spree::Variant.joins(:line_items).merge(Spree::LineItem.in_orders(order))
-    exchanges.supplying_to(order.distributor).with_any_variant(variants_relation)
+    variant_ids_relation = Spree::LineItem.in_orders(order).select(:variant_id)
+    exchanges.supplying_to(order.distributor).with_any_variant(variant_ids_relation)
   end
 
   def coordinated_by?(user)