diff --git a/engines/order_management/app/services/order_management/stock/package.rb b/engines/order_management/app/services/order_management/stock/package.rb
index f3bfaf38f0..aa92487040 100644
--- a/engines/order_management/app/services/order_management/stock/package.rb
+++ b/engines/order_management/app/services/order_management/stock/package.rb
@@ -101,7 +101,7 @@ module OrderManagement
 
       def inspect
         out = "#{order} - "
-        out << contents.map do |content_item|
+        out.dup << contents.map do |content_item|
           "#{content_item.variant.name} #{content_item.quantity} #{content_item.state}"
         end.join('/')
         out