diff --git a/packages/ui/components/validate-messages/test/loadDefaultFeedbackMessagesNoSideEffects.test.js b/packages/ui/components/validate-messages/test/loadDefaultFeedbackMessagesNoSideEffects.test.js
index 4e35bf677..3dca141c2 100644
--- a/packages/ui/components/validate-messages/test/loadDefaultFeedbackMessagesNoSideEffects.test.js
+++ b/packages/ui/components/validate-messages/test/loadDefaultFeedbackMessagesNoSideEffects.test.js
@@ -94,6 +94,7 @@ describe('loadDefaultFeedbackMessagesNoSideEffects', () => {
     expect(await getMessage({ fieldName: 'user name' })).to.equal('Please enter a(n) user name.');
 
     localizeManager.locale = 'de-DE';
+    await localizeManager.loadingComplete;
     expect(await getMessage({ fieldName: 'Password' })).to.equal(
       'Password muss ausgefüllt werden.',
     );