diff --git a/wp-includes/class-feed.php b/wp-includes/class-feed.php
index cff43a17e3..7012439535 100644
--- a/wp-includes/class-feed.php
+++ b/wp-includes/class-feed.php
@@ -32,7 +32,7 @@ class WP_Feed_Cache_Transient {
 	function WP_Feed_Cache_Transient($location, $filename, $extension) {
 		$this->name = 'feed_' . $filename;
 		$this->mod_name = 'feed_mod_' . $filename;
-		$this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime, $filename);
+		$this->lifetime = apply_filters('wp_feed_cache_transient_lifetime', $this->lifetime);
 	}
 
 	function save($data) {
diff --git a/wp-includes/feed.php b/wp-includes/feed.php
index ef443347e0..0226356419 100644
--- a/wp-includes/feed.php
+++ b/wp-includes/feed.php
@@ -550,7 +550,7 @@ function fetch_feed($url) {
 	$feed->set_feed_url($url);
 	$feed->set_cache_class('WP_Feed_Cache');
 	$feed->set_file_class('WP_SimplePie_File');
-	$feed->set_cache_duration(43200);
+	$feed->set_cache_duration(apply_filters('wp_feed_cache_transient_lifetime', 43200));
 	$feed->init();
 	$feed->handle_content_type();