diff --git a/ubuntu/erlking.asininetech.net.yml b/ubuntu/erlking.asininetech.net.yml
index f4d9b8c..4f97093 100644
--- a/ubuntu/erlking.asininetech.net.yml
+++ b/ubuntu/erlking.asininetech.net.yml
@@ -32,7 +32,7 @@
         - set $cache_uri $request_uri
         - if ( $request_method = POST ) { set $cache_uri 'null cache'; }
         - if ( $query_string != "" ) { set $cache_uri 'null cache'; }
-        - if ( $request_uri ~* "/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php |sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml)") { set $cache_uri 'null cache'; }
+        - if ( $request_uri ~* "/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php |sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml") { set $cache_uri 'null cache'; }
         - if ( $http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_logged_in" ) { set $cache_uri 'null cache'; }
         - location / {
             try_files /wp-content/cache/supercache/$http_host/$cache_uri/index.html $uri $uri/ /index.php?$args;