diff --git a/lib/data/models/mixins/invoice_mixin.dart b/lib/data/models/mixins/invoice_mixin.dart
index a7b723fea..a34d3fdf5 100644
--- a/lib/data/models/mixins/invoice_mixin.dart
+++ b/lib/data/models/mixins/invoice_mixin.dart
@@ -206,7 +206,7 @@ abstract class CalculateInvoiceTotal {
     double itemTax = 0.0;
 
     lineItems.forEach((item) {
-      final double qty = round(item.quantity, 4);
+      final double qty = round(item.quantity, 5);
       final double cost = round(item.cost, 4);
       final double itemDiscount = round(item.discount, precision);
       final double taxRate1 = round(item.taxRate1, 3);
@@ -278,7 +278,7 @@ abstract class CalculateInvoiceTotal {
     var total = 0.0;
 
     lineItems.forEach((item) {
-      final double qty = round(item.quantity, 4);
+      final double qty = round(item.quantity, 5);
       final double cost = round(item.cost, 4);
       final double discount = round(item.discount, precision);