diff --git a/public/typo3conf/ext/ep_theme/Classes/Controller/AjaxFormController.php b/public/typo3conf/ext/ep_theme/Classes/Controller/AjaxFormController.php
index 49440c2c..dda85a56 100644
--- a/public/typo3conf/ext/ep_theme/Classes/Controller/AjaxFormController.php
+++ b/public/typo3conf/ext/ep_theme/Classes/Controller/AjaxFormController.php
@@ -73,7 +73,7 @@ class AjaxFormController extends ActionController
         );
 
         $addressData = [
-            'name' => $contactForm->getName(),
+            'lastName' => $contactForm->getName(),
             'firstName' => $contactForm->getFirstName(),
             'email' => $contactForm->getEmail(),
             'gender' => $contactForm->getGender(),