diff --git a/lib/data/models/invoice_model.dart b/lib/data/models/invoice_model.dart
index 78843bb43..cc865406c 100644
--- a/lib/data/models/invoice_model.dart
+++ b/lib/data/models/invoice_model.dart
@@ -574,10 +574,18 @@ abstract class InvoiceItemEntity extends Object
     return null;
   }
 
-  InvoiceItemEntity applyTax(TaxRateEntity taxRate) {
-    InvoiceItemEntity item = rebuild((b) => b
-      ..taxRate1 = taxRate.rate
-      ..taxName1 = taxRate.name);
+  InvoiceItemEntity applyTax(TaxRateEntity taxRate, {bool isSecond = false}) {
+    InvoiceItemEntity item;
+
+    if (isSecond) {
+      item = rebuild((b) => b
+        ..taxRate2 = taxRate.rate
+        ..taxName2 = taxRate.name);
+    } else {
+      item = rebuild((b) => b
+        ..taxRate1 = taxRate.rate
+        ..taxName1 = taxRate.name);
+    }
 
     if (taxRate.isInclusive) {
       item = item.rebuild(
diff --git a/lib/ui/invoice/edit/invoice_edit_items.dart b/lib/ui/invoice/edit/invoice_edit_items.dart
index 9c425937a..3e3c71415 100644
--- a/lib/ui/invoice/edit/invoice_edit_items.dart
+++ b/lib/ui/invoice/edit/invoice_edit_items.dart
@@ -300,7 +300,7 @@ class ItemEditDetailsState extends State<ItemEditDetails> {
                 ? TaxRateDropdown(
                     taxRates: company.taxRates,
                     onSelected: (taxRate) => viewModel.onChangedInvoiceItem(
-                        invoiceItem.applyTax(taxRate), widget.index),
+                        invoiceItem.applyTax(taxRate, isSecond: true), widget.index),
                     labelText: localization.tax,
                     initialTaxName: invoiceItem.taxName2,
                     initialTaxRate: invoiceItem.taxRate2,