diff --git a/public/pos/receipt.html b/public/pos/receipt.html
index b8d2304..28b82aa 100644
--- a/public/pos/receipt.html
+++ b/public/pos/receipt.html
@@ -562,8 +562,8 @@ function buildEscPos(s){
   cmds.push('--------------------------------\n');
   const sub = s.sub != null ? s.sub : (s.total - (s.vat||0));
   const vat = s.vat != null ? s.vat : (s.total * 15/115);
-  const d = s.discount || { kind: 'none', input: 0, amount: 0 };
-  const hasDiscount = d.kind !== 'none' && Number(d.amount) > 0;
+  const discount = s.discount || { kind: 'none', input: 0, amount: 0 };
+  const hasDiscount = discount.kind !== 'none' && Number(discount.amount) > 0;
   if (hasDiscount) {
     const gross = Number(s.gross) || s.items.reduce((sum, it) => sum + (Number(it.selling_price)||0) * (Number(it.qty)||0), 0);
     const grossSub = gross / 1.15;
@@ -571,7 +571,7 @@ function buildEscPos(s){
     cmds.push(`Subtotal (gross)${' '.repeat(10)}R ${grossSub.toFixed(2)}\n`);
     cmds.push(`VAT 15% (gross)${' '.repeat(10)}R ${grossVat.toFixed(2)}\n`);
     cmds.push(`Total (gross)${' '.repeat(13)}R ${gross.toFixed(2)}\n`);
-    cmds.push(`Discount${d.kind==='percent' ? ` (${d.input}%)` : ''}${' '.repeat(15)}- R ${d.amount.toFixed(2)}\n`);
+    cmds.push(`Discount${discount.kind==='percent' ? ` (${discount.input}%)` : ''}${' '.repeat(15)}- R ${discount.amount.toFixed(2)}\n`);
   }
   cmds.push(`Subtotal${' '.repeat(22)}R ${sub.toFixed(2)}\n`);
   cmds.push(`VAT 15%${' '.repeat(22)}R ${vat.toFixed(2)}\n`);