diff --git a/app/services/order_details/param_updater.rb b/app/services/order_details/param_updater.rb
index caf4efe763..e14da68833 100644
--- a/app/services/order_details/param_updater.rb
+++ b/app/services/order_details/param_updater.rb
@@ -110,6 +110,8 @@ def cost_params(params)
 
     if !@order_detail.awaiting_payment? || @editing_user.global_billing_administrator?
       params.slice(:actual_cost, :actual_subsidy).permit!
+    else
+      {}
     end
   end