$helperInstance->addFormNote('surname', "Vorname: <span class=\"persona_data\">".$helperInstance->getValueField('surname')."</span>");
$helperInstance->addFormNote('family', "Nachname: <span class=\"persona_data\">".$helperInstance->getValueField('family')."</span>");
$helperInstance->addFormNote('email', "Email-Adresse: <span class=\"persona_data\">".$helperInstance->getValueField('email')."</span>");
-$helperInstance->addFormNote('birthday', "Geburtstag: <span class=\"persona_data\">".$helperInstance->getValueField('birth_day').".".$helperInstance->getValueField('birth_month').".".$helperInstance->getValueField('birth_year')."</span>");
+$helperInstance->addFormNote('birthday', "Geburtstag: <span class=\"persona_data\">".(int)$helperInstance->getValueField('birth_day').".".(int)$helperInstance->getValueField('birth_month').".".(int)$helperInstance->getValueField('birth_year')."</span>");
// Add link placeholder for profile page
$helperInstance->addFormNote('profile', "Stimmen die Daten noch? {?shipsimu_profile_link?}");