diff --git a/packages/nodes-base/credentials/invoiceNinjaServerApi.credentials.ts b/packages/nodes-base/credentials/invoiceNinjaServerApi.credentials.ts
index 4ba8f2a222..906b638921 100644
--- a/packages/nodes-base/credentials/invoiceNinjaServerApi.credentials.ts
+++ b/packages/nodes-base/credentials/invoiceNinjaServerApi.credentials.ts
@@ -7,6 +7,12 @@ export class InvoiceNinjaServerApi implements ICredentialType {
 	name = 'invoiceNinjaServerApi';
 	displayName = 'Invoice Ninja API';
 	properties = [
+		{
+			displayName: 'Domain',
+			name: 'domain',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
 		{
 			displayName: 'API Token',
 			name: 'apiToken',