diff --git a/spec/epg.xml b/spec/epg.xml
index c1a134c..dc0e956 100644
--- a/spec/epg.xml
+++ b/spec/epg.xml
@@ -10,6 +10,7 @@
     <sub-title lang="">subtitle</sub-title>
     <desc lang="">desc</desc>
     <date>1999</date>
+    <category lang="">category</category>
     <keyword lang="">keyword</keyword>
   </programme>
 </tv>
diff --git a/src/Tv/Programme.php b/src/Tv/Programme.php
index d904c5f..950a061 100644
--- a/src/Tv/Programme.php
+++ b/src/Tv/Programme.php
@@ -229,6 +229,7 @@ public function xmlSerialize(): XmlElement
             ->withChildren($this->getSubTitles())
             ->withChildren($this->getDescriptions())
             ->withChild(new XmlElement('date', $this->date))
+            ->withChildren($this->getCategories())
             ->withChildren($this->getKeywords())
             ->withChild(new XmlElement('language', $this->language))
             ->withChild(new XmlElement('orig-language', $this->origLanguage));