diff --git a/src/common/api/worker/facades/lazy/CustomerFacade.ts b/src/common/api/worker/facades/lazy/CustomerFacade.ts
index 5de14062b5d..31dc9656d68 100644
--- a/src/common/api/worker/facades/lazy/CustomerFacade.ts
+++ b/src/common/api/worker/facades/lazy/CustomerFacade.ts
@@ -23,7 +23,6 @@ import {
 	createMembershipRemoveData,
 	createPaymentDataServicePutData,
 	CustomDomainReturn,
-	Customer,
 	CustomerInfoTypeRef,
 	CustomerServerProperties,
 	CustomerServerPropertiesTypeRef,
@@ -465,7 +464,8 @@ export class CustomerFacade {
 		}
 	}
 
-	async generateXRechnungInvoice(invoiceNumber: string, customer: Customer, accountingInfo: AccountingInfo): Promise<DataFile> {
+	async generateXRechnungInvoice(invoiceNumber: string): Promise<DataFile> {
+		const customer = await this.entityClient.load(CustomerTypeRef, assertNotNull(this.userFacade.getUser()?.customer))
 		const customerInfo = await this.entityClient.load(CustomerInfoTypeRef, customer.customerInfo)
 		const invoiceData = await this.serviceExecutor.get(InvoiceDataService, createInvoiceDataGetIn({ invoiceNumber }))
 		const xRechnungGenerator = new XRechnungInvoiceGenerator(invoiceData, invoiceNumber, this.getCustomerId(), customerInfo.registrationMailAddress)
diff --git a/src/common/subscription/PaymentViewer.ts b/src/common/subscription/PaymentViewer.ts
index a52d0e5256f..2a40b8ce098 100644
--- a/src/common/subscription/PaymentViewer.ts
+++ b/src/common/subscription/PaymentViewer.ts
@@ -364,9 +364,7 @@ export class PaymentViewer implements UpdatableSettingsViewer {
 	private async doXrechnungInvoiceDownload(posting: CustomerAccountPosting) {
 		return showProgressDialog(
 			"pleaseWait_msg",
-			locator.customerFacade
-				.generateXRechnungInvoice(neverNull(posting.invoiceNumber), neverNull(this.customer), neverNull(this.accountingInfo))
-				.then((xInvoice) => locator.fileController.saveDataFile(xInvoice)),
+			locator.customerFacade.generateXRechnungInvoice(neverNull(posting.invoiceNumber)).then((xInvoice) => locator.fileController.saveDataFile(xInvoice)),
 		)
 	}