diff --git a/views/views_plugin_ds_fields_view.inc b/views/views_plugin_ds_fields_view.inc
index ee23d53..5a1f56f 100644
--- a/views/views_plugin_ds_fields_view.inc
+++ b/views/views_plugin_ds_fields_view.inc
@@ -34,6 +34,7 @@
       'drealty_listing' => 'id',
       'commerce_product' => 'product_id',
       'commerce_line_item' => 'line_item_id',
+      'civicrm_event' => 'id',
     );
     return isset($base_table_fields[$this->base_table]) ? $base_table_fields[$this->base_table] : 'nid';
   }