Index: modules/trigger/trigger.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/trigger/trigger.admin.inc,v
retrieving revision 1.26
diff -u -p -r1.26 trigger.admin.inc
--- modules/trigger/trigger.admin.inc	1 May 2010 08:12:23 -0000	1.26
+++ modules/trigger/trigger.admin.inc	3 Aug 2010 12:42:54 -0000
@@ -19,7 +19,7 @@ function trigger_assign($module_to_displ
   // If no type is specified we default to node actions, since they
   // are the most common.
   if (!isset($module_to_display)) {
-    drupal_goto('admin/structure/trigger/node');
+    drupal_goto('admin/structure/trigger/' . (module_exists('node') ? 'node' : 'system'));
   }
 
   $build = array();