diff --git a/metadata-ingestion/src/datahub/ingestion/source/sql/mssql.py b/metadata-ingestion/src/datahub/ingestion/source/sql/mssql.py
index a8fc4d0bb413bd..1c8af307f5d5e8 100644
--- a/metadata-ingestion/src/datahub/ingestion/source/sql/mssql.py
+++ b/metadata-ingestion/src/datahub/ingestion/source/sql/mssql.py
@@ -122,7 +122,7 @@ def __init__(self, config: SQLServerConfig, ctx: PipelineContext):
         super().__init__(config, ctx, "mssql")
         # Cache the table and column descriptions
         self.config: SQLServerConfig = config
-        self.current_database: Optional[str] = None
+        self.current_database = None
         self.table_descriptions: Dict[str, str] = {}
         self.column_descriptions: Dict[str, str] = {}
         for inspector in self.get_inspectors():
@@ -262,5 +262,5 @@ def get_identifier(
                 return f"{self.config.database_alias}.{regular}"
             return f"{self.config.database}.{regular}"
         if self.current_database:
-            return f"{self.current_database.lower()}.{regular}"
+            return f"{self.current_database}.{regular}"
         return regular