diff --git a/unittests/test_converters.py b/unittests/test_converters.py
index e12302514d16f077882e41d6ff5995953f2228f8..082882e77abfead1f9b72fb01745ed1fb5e214bb 100644
--- a/unittests/test_converters.py
+++ b/unittests/test_converters.py
@@ -643,7 +643,7 @@ def test_load_converters():
     # converter classes can be loaded from their respective packages.
 
     # Please adapt, if defaults change!
-    assert len(converter_registry) == 25
+    assert len(converter_registry) == 28
 
     # All of them are contained in caoscrawler.converters
     for conv_key, conv in converter_registry.items():