diff --git a/addon/controllers/settings/accounting.js b/addon/controllers/settings/accounting.js
index 3270e84..810303a 100644
--- a/addon/controllers/settings/accounting.js
+++ b/addon/controllers/settings/accounting.js
@@ -144,7 +144,7 @@ export default class SettingsAccountingController extends Controller {
     @action onSelectCurrency(currency) {
         // CurrencySelect passes the full currency object; store the ISO code.
         // Clearing the selection (null/undefined) resets to company default.
-        this.base_currency = currency?.code ?? null;
+        this.base_currency = currency ?? null;
     }
 
     @action onSelectFiscalYearMonth(option) {
diff --git a/addon/controllers/settings/invoice.js b/addon/controllers/settings/invoice.js
index 873e2b1..d76b617 100644
--- a/addon/controllers/settings/invoice.js
+++ b/addon/controllers/settings/invoice.js
@@ -138,7 +138,7 @@ export default class SettingsInvoiceController extends Controller {
     @action onSelectCurrency(currency) {
         // CurrencySelect passes the full currency object; store the ISO code.
         // Clearing the selection (null/undefined) resets to company default.
-        this.default_currency = currency?.code ?? null;
+        this.default_currency = currency ?? null;
     }
 
     @action onSelectPaymentTerms(option) {