diff --git a/docs/how/updating-datahub.md b/docs/how/updating-datahub.md
index c8fcb0021414f6..7e38b7ccca13f7 100644
--- a/docs/how/updating-datahub.md
+++ b/docs/how/updating-datahub.md
@@ -26,6 +26,8 @@ This file documents any backwards-incompatible changes in DataHub and assists pe
 
 - #12671: The `priority` field of the Incident entity is changed from an integer to an enum. This field was previously completely unused in UI and API, so this change should not affect existing deployments.
 
+- #11639: Fix the `platform_instance` being added twice to the URN. If you want to have the previous behavior back, you need to add your platform_instance twice (i.e. `plat.plat`).
+
 
 ### Known Issues
 
diff --git a/metadata-ingestion/src/datahub/ingestion/source/sql/druid.py b/metadata-ingestion/src/datahub/ingestion/source/sql/druid.py
index 3f20e0a0f18b65..7a15c766cba66c 100644
--- a/metadata-ingestion/src/datahub/ingestion/source/sql/druid.py
+++ b/metadata-ingestion/src/datahub/ingestion/source/sql/druid.py
@@ -50,11 +50,7 @@ def get_sql_alchemy_url(self):
     """
 
     def get_identifier(self, schema: str, table: str) -> str:
-        return (
-            f"{self.platform_instance}.{table}"
-            if self.platform_instance
-            else f"{table}"
-        )
+        return f"{table}"
 
 
 @platform_name("Druid")