diff --git a/src/PowderCoating.Web/Controllers/InvoicesController.cs b/src/PowderCoating.Web/Controllers/InvoicesController.cs
index fdaf48b..c44f985 100644
--- a/src/PowderCoating.Web/Controllers/InvoicesController.cs
+++ b/src/PowderCoating.Web/Controllers/InvoicesController.cs
@@ -469,11 +469,10 @@ public class InvoicesController : Controller
                         });
                     }
 
-                    // Use the quote's agreed tax rate. For discount, prefer the job's current pricing
-                    // snapshot — it is recalculated on every save and captures any post-conversion edits.
-                    // Fall back to the original quote discount only if no snapshot exists.
+                    // Use the quote's agreed tax rate and discount — these represent the customer-approved
+                    // price and must not be recomputed from the job's current state.
                     dto.TaxPercent     = sourceQuote.TaxPercent;
-                    dto.DiscountAmount = jobBreakdown?.DiscountAmount ?? sourceQuote.DiscountAmount;
+                    dto.DiscountAmount = sourceQuote.DiscountAmount;
                 }
                 else if (hadJobItems)
                 {