diff --git a/public/typo3conf/ext/ep_theme/ext_localconf.php b/public/typo3conf/ext/ep_theme/ext_localconf.php
index b80cb01a..5dd56595 100644
--- a/public/typo3conf/ext/ep_theme/ext_localconf.php
+++ b/public/typo3conf/ext/ep_theme/ext_localconf.php
@@ -48,6 +48,7 @@ $boot = function () {
     $GLOBALS['TYPO3_CONF_VARS']['SYS']['fluid']['namespaces']['ep'] = ['EP\\EpTheme\\ViewHelpers'];
     $GLOBALS['TYPO3_CONF_VARS']['MAIL']['layoutRootPaths'][700] = 'EXT:ep_theme/Resources/Private/Layouts/Email/';
     $GLOBALS['TYPO3_CONF_VARS']['MAIL']['templateRootPaths'][700] = 'EXT:ep_theme/Resources/Private/Templates/Email/';
+    $GLOBALS['TYPO3_CONF_VARS']['MAIL']['format'] = 'html';
 
     $metaTagManagerRegistry = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry::class);
     $metaTagManagerRegistry->registerManager(