diff --git a/frontend/components/reception/update-weight.vue b/frontend/components/reception/update-weight.vue
index 7fa5d20..b9acf6b 100644
--- a/frontend/components/reception/update-weight.vue
+++ b/frontend/components/reception/update-weight.vue
@@ -4,29 +4,23 @@
             <UiTextInput
                 label="Dsd"
                 class="col-start-2"
-                v-model="form.weights[0].dsd"
+                v-model="sharedWeightMeta.dsd"
                 :disabled="!auth.isAdmin"
             />
             <UiDateInput
                 label="Date pesée"
-                v-model="form.weights[0].weighedAt"
+                v-model="sharedWeightMeta.weighedAt"
                 :disabled="!auth.isAdmin"
             />
         </div>
         <div class="grid grid-cols-2 gap-x-40 mb-16">
             <UiNumberInput
-                label="Pesée à vide"
+                v-for="weight in form.weights"
+                :key="weight.type"
+                :label="getWeightLabel(weight.type)"
                 labelClass="font-bold uppercase text-xl"
-                v-model="form.weights[0].weight"
-                wrapper-class="col-start-1 row-start-1"
-                :disabled="!auth.isAdmin"
-            />
-
-            <UiNumberInput
-                label="Pesée à plein"
-                labelClass="font-bold uppercase text-xl"
-                v-model="form.weights[1].weight"
-                wrapper-class="col-start-2 row-start-1"
+                v-model="weight.weight"
+                :wrapper-class="weight.type === 'tare' ? 'col-start-1 row-start-1' : 'col-start-2 row-start-1'"
                 :disabled="!auth.isAdmin"
             />
         </div>
@@ -64,13 +58,38 @@ const form = reactive({
         {id: 0, type: 'gross' as const, weight: 0, dsd: null, weighedAt: null}
     ]
 })
+// DSD et date de pesée sont partagés entre tare et gross dans l'UI.
+const sharedWeightMeta = reactive<{
+    dsd: number | string | null
+    weighedAt: string | null
+}>({
+    dsd: null,
+    weighedAt: null
+})
+
+const getWeightLabel = (type: 'tare' | 'gross'): string => {
+    return type === 'tare' ? 'Pesée à vide' : 'Pesée à plein'
+}
 
 const hydrateFromReception = (reception: ReceptionFormWeight) => {
-    const tare = reception.weights.find(weight => weight.type === 'tare')
-    const gross = reception.weights.find(weight => weight.type === 'gross')
+    // On hydrate chaque ligne par son type (tare/gross), sans dépendre d'un index.
+    for (const receptionWeight of reception.weights) {
+        const formWeight = form.weights.find(weight => weight.type === receptionWeight.type)
+        if (formWeight) {
+            Object.assign(formWeight, receptionWeight)
+        }
+    }
 
-    if (tare) form.weights[0] = {...form.weights[0], ...tare}
-    if (gross) form.weights[1] = {...form.weights[1], ...gross}
+    // On récupère une valeur existante pour préremplir les champs partagés.
+    const weightWithMeta = reception.weights.find(weight =>
+        (weight.dsd !== null && weight.dsd !== undefined)
+        || (weight.weighedAt !== null && weight.weighedAt !== undefined && weight.weighedAt !== '')
+    )
+
+    if (weightWithMeta) {
+        sharedWeightMeta.dsd = weightWithMeta.dsd ?? null
+        sharedWeightMeta.weighedAt = weightWithMeta.weighedAt ?? null
+    }
 }
 
 onMounted(async () => {
@@ -80,14 +99,13 @@ onMounted(async () => {
 
 async function validate() {
     const sharedDsd =
-        form.weights[0].dsd === null || form.weights[0].dsd === undefined || form.weights[0].dsd === ''
+        sharedWeightMeta.dsd === null || sharedWeightMeta.dsd === undefined || sharedWeightMeta.dsd === ''
             ? null
-            : Number(form.weights[0].dsd)
+            : Number(sharedWeightMeta.dsd)
     const sharedWeighedAt =
-        form.weights[0].weighedAt === null || form.weights[0].weighedAt === undefined || form.weights[0].weighedAt === ''
+        sharedWeightMeta.weighedAt === null || sharedWeightMeta.weighedAt === undefined || sharedWeightMeta.weighedAt === ''
             ? null
-            : form.weights[0].weighedAt
-
+            : sharedWeightMeta.weighedAt
     for (const weight of form.weights) {
         if (weight.id) {
             await updateWeight(weight.id, {
diff --git a/frontend/services/dto/weight-data.ts b/frontend/services/dto/weight-data.ts
index d4af0a1..2349a1d 100644
--- a/frontend/services/dto/weight-data.ts
+++ b/frontend/services/dto/weight-data.ts
@@ -2,4 +2,5 @@ export interface WeightData {
     weight: number | null
     dsd: number | null
     weighedAt: string | null
+    type : string | null
 }
diff --git a/src/Entity/Supplier.php b/src/Entity/Supplier.php
index 6ed64da..1fe346a 100644
--- a/src/Entity/Supplier.php
+++ b/src/Entity/Supplier.php
@@ -26,7 +26,7 @@ use Symfony\Component\Serializer\Attribute\Groups;
         ),
         new GetCollection(
             normalizationContext: ['groups' => ['supplier:read']],
-            security: "is_granted('ROLE_USER')"
+            security: "is_granted('ROLE_ADMIN')"
         ),
         new Post(
             normalizationContext: ['groups' => ['supplier:read']],