diff --git a/decnet/services/registry.py b/decnet/services/registry.py
index 297335fd..f2c08623 100644
--- a/decnet/services/registry.py
+++ b/decnet/services/registry.py
@@ -28,7 +28,7 @@ def _load_plugins() -> None:
     for cls in BaseService.__subclasses__():
         if not cls.__module__.startswith("decnet.services."):
             continue
-        instance = cls()
+        instance = cls()  # type: ignore[abstract]
         _registry[instance.name] = instance
     _loaded = True