diff --git a/superset/connectors/sqla/models.py b/superset/connectors/sqla/models.py
index 889aea3ba9a1e..8ac6e8289a342 100644
--- a/superset/connectors/sqla/models.py
+++ b/superset/connectors/sqla/models.py
@@ -706,7 +706,7 @@ def fetch_metadata(self):
             if not any_date_col and dbcol.is_time:
                 any_date_col = col.name
 
-            quoted = str(col.compile(dialect=db_dialect))
+            quoted = col.name
             if dbcol.sum:
                 metrics.append(M(
                     metric_name='sum__' + dbcol.column_name,