--- a/python/toolbox/registry.py
+++ b/python/toolbox/registry.py
@@ -27,5 +27,5 @@
     out = {}
     for key, value in table.items():
         for key in value:
-            out[key] = table[key] if key in table else None
+            out[key] = value if key in table else None
     return out