diff --git a/src/pages/PizzaForm.js b/src/pages/PizzaForm.js
index 3a5e4edacb10ca4d80c625e36074b6d33cfe3b7f..d688a4640fd2fa01322b6b4a5b69f41f04c85683 100644
--- a/src/pages/PizzaForm.js
+++ b/src/pages/PizzaForm.js
@@ -73,6 +73,7 @@ export default class AddPizzaPage extends Page {
 			body: JSON.stringify(pizza),
 		}).then(response => {
 			if (!response.ok) {
+				alert('La pizza existe déja !');
 				throw new Error(`Erreur : ${response.statusText}`);
 			} else {
 				alert(`La pizza ${name} a été ajoutée !`);