diff --git a/wp-includes/bookmark.php b/wp-includes/bookmark.php
index 0162b8682..d04cad3b5 100644
--- a/wp-includes/bookmark.php
+++ b/wp-includes/bookmark.php
@@ -137,7 +137,7 @@ function get_bookmarks($args = '') {
 	$results = $wpdb->get_results($query);
 
 	$cache[ $key ] = $results;
-	wp_cache_add( 'get_bookmarks', $cache, 'bookmark' );
+	wp_cache_set( 'get_bookmarks', $cache, 'bookmark' );
 
 	return apply_filters('get_bookmarks', $results, $r);
 }