Index: migrate.module
===================================================================
--- migrate.module	(revision 278)
+++ migrate.module	(working copy)
@@ -482,7 +482,7 @@
 
   // If running over a selected list of IDs, pass those in to the query
   if ($idlist) {
-    $view->query->add_where($view->options['group'], $view->base_table.".$sourceid IN ($idlist)",
+    $view->query->add_where($view->options['group'], $view->base_table.".$sourcekey IN ($idlist)",
       $view->base_table);
   }