Index: views.module
===================================================================
--- views.module	(revision 4656)
+++ views.module	(working copy)
@@ -174,7 +174,7 @@
   $items['admin/views/ajax/autocomplete/user'] = array(
     'page callback' => 'views_ajax_autocomplete_user',
     'access callback' => 'user_access',
-    'access arguments' => array('access content'),
+    'access arguments' => array('access user profiles'),
     'file' => 'includes/ajax.inc',
     'type' => MENU_CALLBACK,
   );