Index: flag.module
===================================================================
--- flag.module	(revision 2563)
+++ flag.module	(working copy)
@@ -1025,6 +1025,7 @@
     if (!isset($flagged_content[$uid]['all'][$content_type])) {
       $flag_names = _flag_get_flag_names();
       $flagged_content[$uid]['all'][$content_type] = TRUE;
+      $flagged_content[$uid][$content_type]['all'] = array();
       $result = db_query("SELECT * FROM {flag_content} WHERE content_type = '%s' AND (uid = %d OR uid = 0)", $content_type, $uid);
       while ($flag_content = db_fetch_object($result)) {
         $flagged_content[$uid][$content_type]['all'][$flag_names[$flag_content->fid]][$flag_content->content_id] = $flag_content;