diff --git a/packages/ep_theme/ext_localconf.php b/packages/ep_theme/ext_localconf.php
index 42a086a..c66a9e0 100644
--- a/packages/ep_theme/ext_localconf.php
+++ b/packages/ep_theme/ext_localconf.php
@@ -1,5 +1,6 @@
 <?php
 use TYPO3\CMS\Core\Log\LogLevel;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry;
 use EP\EpTheme\MetaTag\OpenGraphMetaTagManager;
@@ -18,6 +19,12 @@ $boot = function () {
     $GLOBALS['TYPO3_CONF_VARS']['MAIL']['layoutRootPaths'][700] = 'EXT:ep_theme/Resources/Private/Layouts/Email/';
     $GLOBALS['TYPO3_CONF_VARS']['MAIL']['format'] = 'html';
 
+    // Backend and CLI (form editor, FlexForm of the form plugin, reference index) read module.tx_form,
+    // which TYPO3 13 only takes from global TypoScript, not from the site's template
+    ExtensionManagementUtility::addTypoScriptSetup(
+        'module.tx_form.settings.yamlConfigurations.1630994710 = EXT:ep_theme/Configuration/Yaml/FormSetup.yaml'
+    );
+
     $metaTagManagerRegistry = GeneralUtility::makeInstance(MetaTagManagerRegistry::class);
     $metaTagManagerRegistry->registerManager(
         'ep_opengraph',