diff --git a/wp-includes/rewrite.php b/wp-includes/rewrite.php
index a7349abc61..ae4bd8a90b 100644
--- a/wp-includes/rewrite.php
+++ b/wp-includes/rewrite.php
@@ -1487,7 +1487,7 @@ class WP_Rewrite {
 		$robots_rewrite = ( empty( $home_path['path'] ) || '/' == $home_path['path'] ) ? array( 'robots\.txt$' => $this->index . '?robots=1' ) : array();
 
 		// Old feed files
-		$old_feed_files = array( '.*wp-(atom|rdf|rss|rss2|feed|commentsrss2).php$' => $this->index . '?feed=old' );
+		$old_feed_files = array( '.*wp-(atom|rdf|rss|rss2|feed|commentsrss2)\.php$' => $this->index . '?feed=old' );
 
 		// Registration rules
 		$registration_pages = array();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 76b76f423e..db53538e74 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -11,7 +11,7 @@ $wp_version = '3.3-aortic-dissection';
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 18541;
+$wp_db_version = 18715;
 
 /**
  * Holds the TinyMCE version