diff --git a/src/Controller/UserPanel.php b/src/Controller/UserPanel.php
index 74662dd645..00d3ea41cb 100644
--- a/src/Controller/UserPanel.php
+++ b/src/Controller/UserPanel.php
@@ -95,7 +95,7 @@ class UserPanel extends AbstractController
             ['password',        TextType::class,        ['label' => _m('Password'),       'required' => false, 'help' => _m('Change your password'), 'attr' => ['placeholder' => '********']]],
             ['old_password',    TextType::class,        ['label' => _m('Old password'),   'required' => false, 'help' => _m('Enter your old password for verification'), 'attr' => ['placeholder' => '********']]],
             ['language',        LanguageType::class,    ['label' => _m('Language'),       'required' => false, 'help' => _m('Your preferred language')]],
-            ['phone_number',    PhoneNumberType::class, ['label' => _m('Phone number'),   'required' => false, 'help' => _m('Your phone number')]],
+            ['phone_number',    PhoneNumberType::class, ['label' => _m('Phone number'),   'required' => false, 'help' => _m('Your phone number'), 'data_class' => null]],
             ['save',            SubmitType::class,      ['label' => _m('Save')]],
         ];