diff --git a/migrations/Version20260402202809.php b/migrations/Version20260402202809.php
new file mode 100644
index 0000000..2082fd7
--- /dev/null
+++ b/migrations/Version20260402202809.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260402202809 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE facture (id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, split_index SMALLINT DEFAULT 0 NOT NULL, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, order_number_id INT NOT NULL, advert_id INT DEFAULT NULL, PRIMARY KEY (id))');
+        $this->addSql('CREATE INDEX IDX_FE8664108C26A5E8 ON facture (order_number_id)');
+        $this->addSql('CREATE INDEX IDX_FE866410D07ECCB6 ON facture (advert_id)');
+        $this->addSql('ALTER TABLE facture ADD CONSTRAINT FK_FE8664108C26A5E8 FOREIGN KEY (order_number_id) REFERENCES order_number (id) NOT DEFERRABLE');
+        $this->addSql('ALTER TABLE facture ADD CONSTRAINT FK_FE866410D07ECCB6 FOREIGN KEY (advert_id) REFERENCES advert (id) NOT DEFERRABLE');
+        $this->addSql('ALTER TABLE "order" DROP CONSTRAINT fk_f5299398d07eccb6');
+        $this->addSql('ALTER TABLE "order" DROP CONSTRAINT fk_f52993988c26a5e8');
+        $this->addSql('DROP TABLE "order"');
+        $this->addSql('DROP INDEX uniq_54f1f40b8c26a5e8');
+        $this->addSql('CREATE INDEX IDX_54F1F40B8C26A5E8 ON advert (order_number_id)');
+        $this->addSql('DROP INDEX uniq_8b27c52b8c26a5e8');
+        $this->addSql('CREATE INDEX IDX_8B27C52B8C26A5E8 ON devis (order_number_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('CREATE TABLE "order" (id INT GENERATED BY DEFAULT AS IDENTITY NOT NULL, split_index SMALLINT DEFAULT 0 NOT NULL, created_at TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, order_number_id INT NOT NULL, advert_id INT DEFAULT NULL, PRIMARY KEY (id))');
+        $this->addSql('CREATE INDEX idx_f5299398d07eccb6 ON "order" (advert_id)');
+        $this->addSql('CREATE UNIQUE INDEX uniq_f52993988c26a5e8 ON "order" (order_number_id)');
+        $this->addSql('ALTER TABLE "order" ADD CONSTRAINT fk_f5299398d07eccb6 FOREIGN KEY (advert_id) REFERENCES advert (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE "order" ADD CONSTRAINT fk_f52993988c26a5e8 FOREIGN KEY (order_number_id) REFERENCES order_number (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE facture DROP CONSTRAINT FK_FE8664108C26A5E8');
+        $this->addSql('ALTER TABLE facture DROP CONSTRAINT FK_FE866410D07ECCB6');
+        $this->addSql('DROP TABLE facture');
+        $this->addSql('DROP INDEX IDX_54F1F40B8C26A5E8');
+        $this->addSql('CREATE UNIQUE INDEX uniq_54f1f40b8c26a5e8 ON advert (order_number_id)');
+        $this->addSql('DROP INDEX IDX_8B27C52B8C26A5E8');
+        $this->addSql('CREATE UNIQUE INDEX uniq_8b27c52b8c26a5e8 ON devis (order_number_id)');
+    }
+}
diff --git a/src/Entity/Advert.php b/src/Entity/Advert.php
index 201a107..92db721 100644
--- a/src/Entity/Advert.php
+++ b/src/Entity/Advert.php
@@ -15,7 +15,7 @@ class Advert
     #[ORM\Column]
     private ?int $id = null;
 
-    #[ORM\OneToOne(targetEntity: OrderNumber::class)]
+    #[ORM\ManyToOne(targetEntity: OrderNumber::class)]
     #[ORM\JoinColumn(nullable: false)]
     private OrderNumber $orderNumber;
 
@@ -26,15 +26,15 @@ class Advert
     #[ORM\Column]
     private \DateTimeImmutable $createdAt;
 
-    /** @var Collection<int, Order> */
-    #[ORM\OneToMany(targetEntity: Order::class, mappedBy: 'advert')]
-    private Collection $orders;
+    /** @var Collection<int, Facture> */
+    #[ORM\OneToMany(targetEntity: Facture::class, mappedBy: 'advert')]
+    private Collection $factures;
 
     public function __construct(OrderNumber $orderNumber)
     {
         $this->orderNumber = $orderNumber;
         $this->createdAt = new \DateTimeImmutable();
-        $this->orders = new ArrayCollection();
+        $this->factures = new ArrayCollection();
     }
 
     public function getId(): ?int
@@ -62,9 +62,9 @@ class Advert
         return $this->createdAt;
     }
 
-    /** @return Collection<int, Order> */
-    public function getOrders(): Collection
+    /** @return Collection<int, Facture> */
+    public function getFactures(): Collection
     {
-        return $this->orders;
+        return $this->factures;
     }
 }
diff --git a/src/Entity/Devis.php b/src/Entity/Devis.php
index e53b003..bc94960 100644
--- a/src/Entity/Devis.php
+++ b/src/Entity/Devis.php
@@ -15,7 +15,7 @@ class Devis
     #[ORM\Column]
     private ?int $id = null;
 
-    #[ORM\OneToOne(targetEntity: OrderNumber::class)]
+    #[ORM\ManyToOne(targetEntity: OrderNumber::class)]
     #[ORM\JoinColumn(nullable: false)]
     private OrderNumber $orderNumber;
 
diff --git a/src/Entity/Order.php b/src/Entity/Facture.php
similarity index 86%
rename from src/Entity/Order.php
rename to src/Entity/Facture.php
index 96d0ef5..0ed4a56 100644
--- a/src/Entity/Order.php
+++ b/src/Entity/Facture.php
@@ -2,23 +2,22 @@
 
 namespace App\Entity;
 
-use App\Repository\OrderRepository;
+use App\Repository\FactureRepository;
 use Doctrine\ORM\Mapping as ORM;
 
-#[ORM\Entity(repositoryClass: OrderRepository::class)]
-#[ORM\Table(name: '`order`')]
-class Order
+#[ORM\Entity(repositoryClass: FactureRepository::class)]
+class Facture
 {
     #[ORM\Id]
     #[ORM\GeneratedValue]
     #[ORM\Column]
     private ?int $id = null;
 
-    #[ORM\OneToOne(targetEntity: OrderNumber::class)]
+    #[ORM\ManyToOne(targetEntity: OrderNumber::class)]
     #[ORM\JoinColumn(nullable: false)]
     private OrderNumber $orderNumber;
 
-    #[ORM\ManyToOne(targetEntity: Advert::class, inversedBy: 'orders')]
+    #[ORM\ManyToOne(targetEntity: Advert::class, inversedBy: 'factures')]
     #[ORM\JoinColumn(nullable: true)]
     private ?Advert $advert = null;
 
diff --git a/src/Repository/OrderRepository.php b/src/Repository/FactureRepository.php
similarity index 56%
rename from src/Repository/OrderRepository.php
rename to src/Repository/FactureRepository.php
index 22af896..abcd24f 100644
--- a/src/Repository/OrderRepository.php
+++ b/src/Repository/FactureRepository.php
@@ -2,17 +2,17 @@
 
 namespace App\Repository;
 
-use App\Entity\Order;
+use App\Entity\Facture;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
 
 /**
- * @extends ServiceEntityRepository<Order>
+ * @extends ServiceEntityRepository<Facture>
  */
-class OrderRepository extends ServiceEntityRepository
+class FactureRepository extends ServiceEntityRepository
 {
     public function __construct(ManagerRegistry $registry)
     {
-        parent::__construct($registry, Order::class);
+        parent::__construct($registry, Facture::class);
     }
 }