diff --git a/.gitignore b/.gitignore
index 227cca8..43975bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,5 @@ vendor/
 
 composer.lock
 package-lock.json
+
+playground.php
diff --git a/src/Services/ConvertToXml.php b/src/Services/ConvertToXml.php
index d16a2f2..ae72923 100644
--- a/src/Services/ConvertToXml.php
+++ b/src/Services/ConvertToXml.php
@@ -19,11 +19,14 @@
 
 class ConvertToXml
 {
+    protected DOMDocument $document;
+
     public function __construct(
         #[Config('feeds.pretty')]
         bool $pretty,
-        protected DOMDocument $document
     ) {
+        $this->document = new DOMDocument('1.0', 'UTF-8');
+
         $this->document->formatOutput       = $pretty;
         $this->document->preserveWhiteSpace = ! $pretty;
     }