diff --git a/superset/views/core.py b/superset/views/core.py
index a7af23b972..8ecd737606 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -1775,8 +1775,8 @@ class Superset(BaseSupersetView):
         for column_name, config in data.get('columns').items():
             is_dim = config.get('is_dim', False)
             SqlaTable = ConnectorRegistry.sources['table']
-            TableColumn = SqlaTable.column_cls
-            SqlMetric = SqlaTable.metric_cls
+            TableColumn = SqlaTable.column_class
+            SqlMetric = SqlaTable.metric_class
             col = TableColumn(
                 column_name=column_name,
                 filterable=is_dim,