diff --git a/lib/dom_document_fragment.php b/lib/dom_document_fragment.php
index 69d6488fc..63cf5fc9e 100644
--- a/lib/dom_document_fragment.php
+++ b/lib/dom_document_fragment.php
@@ -21,6 +21,6 @@ public function __construct($version = '1.0', $encoding = 'UTF-8')
 
     public function __toString()
     {
-        return str_replace('<?xml version="1.0"?>', '', $this->saveXML());
+        return str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $this->saveXML());
     }
 }
diff --git a/readme.txt b/readme.txt
index 51c2097d9..6e0667880 100644
--- a/readme.txt
+++ b/readme.txt
@@ -104,6 +104,10 @@ This product includes GeoLite2 data created by MaxMind, available from http://ww
 
 == Changelog ==
 
+= 2023-10-15 =
+
+* fix broken RSS feeds
+
 = 2023-10-14 =
 
 * improve PHP 8 compatibility