diff --git a/src/layouts/DefaultLayout.vue b/src/layouts/DefaultLayout.vue
index fd6981e..338d740 100644
--- a/src/layouts/DefaultLayout.vue
+++ b/src/layouts/DefaultLayout.vue
@@ -146,8 +146,8 @@ const currentUserName = ref("INVITÉ");
 let currentUser = null;
 
 const headers = ref([
-  { title: 'Montant', value: 'amount', width: '20%' },
-  { title: 'Date', value: 'created', width: '20%' },
+  { title: 'Montant', value: 'amount', width: '20%', key: "amount" },
+  { title: 'Date', value: 'created', width: '20%', key: "created" },
   { title: 'Message', value: 'tipMessage', width: '60%' }
 ]);