Index: wp-admin/includes/template.php
===================================================================
--- wp-admin/includes/template.php	(revision 11125)
+++ wp-admin/includes/template.php	(working copy)
@@ -66,8 +66,9 @@
 
 		// If the page starts in a subtree, print the parents.
 		if ( $count == $start && $category->parent > 0 ) {
+			$my_parent = $category->parent;
 			$my_parents = array();
-			while ( $my_parent) {
+			while ( $my_parent ) {
 				$my_parent = get_category($my_parent);
 				$my_parents[] = $my_parent;
 				if ( !$my_parent->parent )