diff --git a/migrations/Version20250530165852.php b/migrations/Version20250530165852.php
new file mode 100644
index 0000000..7d7dbc2
--- /dev/null
+++ b/migrations/Version20250530165852.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 Version20250530165852 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(<<<'SQL'
+            CREATE UNIQUE INDEX UNIQ_1505DF845E237E06 ON machine (name)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE UNIQUE INDEX UNIQ_7CBE75955E237E06 ON material (name)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE UNIQUE INDEX UNIQ_D8B63A1C5E237E06 ON material_type (name)
+        SQL);
+        $this->addSql(<<<'SQL'
+            CREATE UNIQUE INDEX UNIQ_DA88B1375E237E06 ON recipe (name)
+        SQL);
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql(<<<'SQL'
+            DROP INDEX UNIQ_1505DF845E237E06 ON machine
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP INDEX UNIQ_7CBE75955E237E06 ON material
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP INDEX UNIQ_D8B63A1C5E237E06 ON material_type
+        SQL);
+        $this->addSql(<<<'SQL'
+            DROP INDEX UNIQ_DA88B1375E237E06 ON recipe
+        SQL);
+    }
+}
diff --git a/src/Entity/TNamedEntity.php b/src/Entity/TNamedEntity.php
index 4629a5d..bf83595 100644
--- a/src/Entity/TNamedEntity.php
+++ b/src/Entity/TNamedEntity.php
@@ -12,8 +12,9 @@ trait TNamedEntity {
     /**
      * @var string|null The name
      */
-    #[ORM\Column(length: 50)]
-    #[Assert\NotBlank(message: 'Veuillez saisir un email')]
+    #[ORM\Column(length: 50, unique: true)]
+    #[Assert\NotBlank(message: 'Veuillez saisir un nom')]
+    #[Assert\Unique(message: 'Il existe déjà un élément avec ce nom')]
     private ?string $name = null;
 
     /**