diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index 70c4e8bd7a..a448e0eb4a 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -598,7 +598,8 @@ function weblog_ping($server = '', $path = '') {
 
 	// when set to true, this outputs debug messages by itself
 	$client->debug = false;
-	$client->query('weblogUpdates.ping', get_settings('blogname'), get_settings('home'));
+	$home = trailingslashit( get_option('home') );
+	$client->query('weblogUpdates.ping', get_settings('blogname'), $home);
 
 }