diff --git a/tests/regressiontests/utils/feedgenerator.py b/tests/regressiontests/utils/feedgenerator.py
index b646a5997dd..bcd53bb2a07 100644
--- a/tests/regressiontests/utils/feedgenerator.py
+++ b/tests/regressiontests/utils/feedgenerator.py
@@ -104,10 +104,14 @@ class FeedgeneratorTest(unittest.TestCase):
feed = feedgenerator.Rss201rev2Feed('title', '/link/', 'descr')
self.assertEqual(feed.feed['feed_url'], None)
feed_content = feed.writeString('utf-8')
- self.assertNotIn('', feed_content)
+ self.assertIn('