diff --git a/metadata-ingestion/src/datahub/ingestion/sink/sink_registry.py b/metadata-ingestion/src/datahub/ingestion/sink/sink_registry.py
index 97e3c9268e9bc2..3c364dc9249851 100644
--- a/metadata-ingestion/src/datahub/ingestion/sink/sink_registry.py
+++ b/metadata-ingestion/src/datahub/ingestion/sink/sink_registry.py
@@ -1,3 +1,4 @@
+import dataclasses
 from typing import Type
 
 from datahub.ingestion.api.registry import PluginRegistry
@@ -5,6 +6,7 @@
 
 
 def _check_sink_classes(cls: Type[Sink]) -> None:
+    assert not dataclasses.is_dataclass(cls), f"Sink {cls} is a dataclass"
     assert cls.get_config_class()
     assert cls.get_report_class()