diff --git a/src/Entity/TNamedEntity.php b/src/Entity/TNamedEntity.php
index bf83595..2dbea68 100644
--- a/src/Entity/TNamedEntity.php
+++ b/src/Entity/TNamedEntity.php
@@ -14,7 +14,6 @@ trait TNamedEntity {
      */
     #[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;
 
     /**
diff --git a/src/Form/Config/MaterialTypeEditForm.php b/src/Form/Config/MaterialTypeEditForm.php
index 616c189..edfd78c 100644
--- a/src/Form/Config/MaterialTypeEditForm.php
+++ b/src/Form/Config/MaterialTypeEditForm.php
@@ -31,6 +31,10 @@ class MaterialTypeEditForm extends AbstractType {
             ->add('name', null, [
                 'label' => 'Nom',
             ])
+            ->add('unit', null, [
+                'label'    => 'Unité',
+                'required' => false,
+            ])
             ->add('stackName', null, [
                 'label' => 'Nom de la pile',
             ])
diff --git a/templates/Config/MaterialType/List.html.twig b/templates/Config/MaterialType/List.html.twig
index 07fbad6..6435c98 100644
--- a/templates/Config/MaterialType/List.html.twig
+++ b/templates/Config/MaterialType/List.html.twig
@@ -11,6 +11,7 @@
                 <thead>
                     <tr>
                         <th scope="col" data-sort-onLoad="1" class="align-middle">Nom</th>
+                        <th scope="col" data-sort-onLoad="1" class="align-middle">Unit</th>
                         <th scope="col" data-sort="false" class="fit-content align-middle">
                             <a href="{{ path('config_materialType_create') }}" class="btn btn-primary" data-bs-toggle="tooltip" data-bs-title="Ajouter">
                                 <i class="fa-solid fa-square-plus"></i>
@@ -22,6 +23,7 @@
                     {% for materialType in materialTypes %}
                         <tr>
                             <td>{{ materialType.name }}</td>
+                            <td>{{ materialType.unit }}</td>
                             <td class="fit-content">
                                 <a href="{{ path('config_materialType_edit', {id: materialType.id}) }}"
                                    class="text-primary me-2"