diff --git a/wp-includes/rss-functions.php b/wp-includes/rss-functions.php
index 37d74c2a31..05b6b9a52b 100644
--- a/wp-includes/rss-functions.php
+++ b/wp-includes/rss-functions.php
@@ -1,4 +1,4 @@
 <?php
 // Deprecated.  Use rss.php instead.
-equire_once (ABSPATH . WPINC . '/registration.php');
+require_once (ABSPATH . WPINC . '/registration.php');
 ?>