diff --git a/public/index.html b/public/index.html
index 97f69cc..17cef58 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7149,8 +7149,8 @@ body.sun-splitting *{cursor:col-resize!important}
   pane?.classList.add('sun-order-pane');
 
   // Correct calculations: custom per-order item price is preferred over catalog price.
-  calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};
-  orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>sum+unitPrice(line)*Math.max(0,Number(line.qty||0)),0)};
+  calcOrderTotal=function(){return (draft.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};
+  orderTotalValue=function(order){return (order?.lines||[]).reduce((sum,line)=>itemById(line.id)?sum+unitPrice(line)*Math.max(0,Number(line.qty||0)):sum,0)};
   updateOrderSummary=function(){
     const total=calcOrderTotal(),paid=Math.max(0,Number(prepayment.value||0)),rest=Math.max(0,total-paid);
     orderTotal.value=Math.round(total);balance.value=Math.round(rest);