diff --git a/wp-includes/feed-functions.php b/wp-includes/feed-functions.php
index 3793fe9c2b..bd11301015 100644
--- a/wp-includes/feed-functions.php
+++ b/wp-includes/feed-functions.php
@@ -6,7 +6,7 @@ function get_bloginfo_rss($show = '') {
 }
 
 function bloginfo_rss($show = '') {
-	echo get_bloginfo_rss();
+	echo get_bloginfo_rss($show);
 }
 
 function the_title_rss() {