diff --git a/frontend/pages/entry-exit/entry/[id].vue b/frontend/pages/entry-exit/entry/[id].vue
index 499d8f4..052cab4 100644
--- a/frontend/pages/entry-exit/entry/[id].vue
+++ b/frontend/pages/entry-exit/entry/[id].vue
@@ -116,7 +116,9 @@
             <UiButton
                 type="button"
                 class="text-md font-bold uppercase bg-primary-500 text-white h-[50px] px-8"
-                disabled
+                :disabled="savedBovines.length === 0 || isValidating"
+                :loading="isValidating"
+                @click="validateEntry"
             >
                 Valider l'entrée
             </UiButton>
@@ -144,6 +146,7 @@ const buildings = ref<BuildingData[]>([])
 const savedBovines = ref<BovineData[]>([])
 
 const isAdding = ref(false)
+const isValidating = ref(false)
 const recapPage = ref(1)
 const recapPerPage = ref(50)
 
@@ -181,6 +184,25 @@ const confirmDeleteBovine = async (bovine: BovineData) => {
     await loadSavedBovines()
 }
 
+const validateEntry = async () => {
+    if (savedBovines.value.length === 0 || isValidating.value) return
+
+    if (savedBovines.value.length < declaredCount.value) {
+        const confirmed = window.confirm(
+            `Vous n'avez saisi que ${savedBovines.value.length}/${declaredCount.value} bovins. Confirmer la fermeture de l'entrée ?`
+        )
+        if (!confirmed) return
+    }
+
+    isValidating.value = true
+    try {
+        await api.patch(`receptions/${receptionId.value}`, { entryCompleted: true })
+        router.push('/entry-exit')
+    } finally {
+        isValidating.value = false
+    }
+}
+
 interface FormState {
     nationalNumber: string
     receivedWeight: number | null