diff --git a/sources/AppBundle/Event/Form/TicketType.php b/sources/AppBundle/Event/Form/TicketType.php
index 905f5962a..f4c4e0883 100644
--- a/sources/AppBundle/Event/Form/TicketType.php
+++ b/sources/AppBundle/Event/Form/TicketType.php
@@ -26,6 +26,7 @@
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
 use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\Email;
 
 class TicketType extends AbstractType
 {
@@ -70,6 +71,9 @@ public function buildForm(FormBuilderInterface $builder, array $options): void
             ])
             ->add('email', EmailType::class, [
                 'label' => 'Email',
+                'constraints' => [
+                    new Email(),
+                ],
             ])
             ->add('phoneNumber', TextType::class, [
                 'label' => 'Téléphone',
diff --git a/sources/AppBundle/Event/Model/Ticket.php b/sources/AppBundle/Event/Model/Ticket.php
index 67d06092c..804f39285 100644
--- a/sources/AppBundle/Event/Model/Ticket.php
+++ b/sources/AppBundle/Event/Model/Ticket.php
@@ -8,6 +8,7 @@
 use AppBundle\Event\Validator\Constraints as Assert;
 use CCMBenchmark\Ting\Entity\NotifyProperty;
 use CCMBenchmark\Ting\Entity\NotifyPropertyInterface;
+use Symfony\Component\Validator\Constraints\Email;
 
 #[Assert\LoggedInMember(groups: ['personal'])]
 #[Assert\PublicTicket(groups: ['not_logged_in'])]
@@ -134,6 +135,7 @@ class Ticket implements NotifyPropertyInterface
     /**
      * @var string
      */
+    #[Email]
     private $email;
 
     /**
diff --git a/tests/behat/features/EventPages/Ticketing.feature b/tests/behat/features/EventPages/Ticketing.feature
index fe28a58c0..e9e74dc8e 100644
--- a/tests/behat/features/EventPages/Ticketing.feature
+++ b/tests/behat/features/EventPages/Ticketing.feature
@@ -95,3 +95,23 @@ Feature: Event pages - Ticketing
     When I press "Confirmer & Payer"
     Then I should see "Paiement de vos billets"
     And I should see "Vous serez redirigé vers notre partenaire paybox afin de procéder au paiement d'un montant de 15€"
+
+  @reloadDbWithTestData
+  Scenario: Refus des emails sans TLD lors de l'achat de billets
+    Given I am on "/event/forum/tickets"
+    Then I should see "Billetterie: forum"
+    And I select "0" from "purchase[paymentType]"
+    When I fill in "purchase[tickets][0][firstname]" with "Prénom personne 1"
+    And I fill in "purchase[tickets][0][lastname]" with "Nom personne 1"
+    # Email de billet sans extension de domaine (pas de TLD)
+    And I fill in "purchase[tickets][0][email]" with "personne1@hostname"
+    And I fill in "purchase[firstname]" with "Prénom facturation"
+    And I fill in "purchase[lastname]" with "Nom facturation"
+    And I fill in "purchase[address]" with "42 rue de Strasbourg"
+    And I fill in "purchase[zipcode]" with "75003"
+    And I fill in "purchase[city]" with "PARIS"
+    And I fill in "purchase[email]" with "facturationEntreprise@yahoo.fr"
+    And I check "purchase[cgv]"
+    When I press "Confirmer & Payer"
+    Then I should see "Cette valeur n'est pas une adresse email valide."
+    And I should not see "Paiement de vos billets"