diff --git a/packages/input-iban/src/formatters.js b/packages/input-iban/src/formatters.js
index 2ce5426c4..16f83fae4 100644
--- a/packages/input-iban/src/formatters.js
+++ b/packages/input-iban/src/formatters.js
@@ -8,7 +8,7 @@ import { friendlyFormatIBAN } from '@bundled-es-modules/ibantools';
  */
 export function formatIBAN(modelValue) {
   // defensive code because of ibantools
-  if (modelValue === '') {
+  if (!modelValue) {
     return '';
   }
   return friendlyFormatIBAN(modelValue);