diff --git a/library/Director/Import/ImportSourceCoreApi.php b/library/Director/Import/ImportSourceCoreApi.php
index f8550161..e127a70e 100644
--- a/library/Director/Import/ImportSourceCoreApi.php
+++ b/library/Director/Import/ImportSourceCoreApi.php
@@ -31,6 +31,11 @@ class ImportSourceCoreApi extends ImportSourceHook
         return array_keys((array) $res[0]);
     }
 
+    public static function getDefaultKeyColumnName()
+    {
+        return 'object_name';
+    }
+
     public static function addSettingsFormFields(QuickForm $form)
     {
         $form->addElement('select', 'object_type', array(