Index: category-template.php
===================================================================
--- category-template.php	(revision 14075)
+++ category-template.php	(working copy)
@@ -%ld,%ld +%ld,%ld @@
 	if ( isset( $r['show_date'] ) )
 		$r['include_last_update_time'] = $r['show_date'];
 
-	if ( true == $r['hierarchical'] ) {
+	if ( true == $r['hierarchical'] && empty( $r['exclude_tree'] ) ) {
 		$r['exclude_tree'] = $r['exclude'];
 		$r['exclude'] = '';
 	}
@@ -%ld,%ld +%ld,%ld @@
 	return $r;
 }
 
-?>
\ No newline at end of file
+?>