diff --git a/unittests/test_converters.py b/unittests/test_converters.py
index 05981e2a605065fb8c86b83f5196f726d1375944..665169d785c1ed604314c4aff4a640d4418e80a9 100644
--- a/unittests/test_converters.py
+++ b/unittests/test_converters.py
@@ -640,7 +640,7 @@ def test_load_converters():
     # converter classes can be loaded from their respective packages.
 
     # Please adapt, if defaults change!
-    assert len(converter_registry) == 22
+    assert len(converter_registry) == 23
 
     # All of them are contained in caoscrawler.converters
     for conv_key, conv in converter_registry.items():