diff --git a/app/ecolyo.ba835be5f3360eb8e1b0.js b/app/ecolyo.ab0e4c8e0e0ad1650ee2.js
similarity index 99%
rename from app/ecolyo.ba835be5f3360eb8e1b0.js
rename to app/ecolyo.ab0e4c8e0e0ad1650ee2.js
index ef6544c79463ddc3e6d469701183e54b54086c22..dce248519f8be8db20abd55c4c6c56c4a7ea00f4 100644
--- a/app/ecolyo.ba835be5f3360eb8e1b0.js
+++ b/app/ecolyo.ab0e4c8e0e0ad1650ee2.js
@@ -385,6 +385,7 @@ var StepIdentity = function StepIdentity(_ref) {
     type: "number",
     id: "zipCode",
     name: "zipCode",
+    required: true,
     value: formData.postalCode,
     onChange: function onChange(e) {
       return setFormData(function (prev) {
diff --git a/index.html b/index.html
index c3a0940a4e3ac0be3082848404899325bbd259d1..a0d299c44055f0721cd3bb09695adced7cd6e158 100644
--- a/index.html
+++ b/index.html
@@ -1 +1 @@
-<!DOCTYPE html><html lang="{{.Locale}}"><head><meta charset="utf-8"><title>Ecolyo</title><link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32"><link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16"><!-- PWA Manifest --><link rel="manifest" href="/manifest.json" crossorigin="use-credentials"><link rel="mask-icon" href="/safari-pinned-tab.svg" color="#297EF2"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1,viewport-fit=cover"><!-- PWA Chrome --><link rel="icon" sizes="192x192" href="/android-chrome-192x192.png"><link rel="icon" sizes="512x512" href="/android-chrome-512x512.png"><!-- PWA iOS --><link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"><link rel="apple-touch-startup-image" href="/apple-touch-icon.png"><meta name="apple-mobile-web-app-title" content="Ecolyo"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="black"><!-- PWA Colors --><meta name="theme-color" content="#343641"><meta name="background-color" content="#121212">{{.ThemeCSS}} {{.CozyBar}}<script src="//{{.Domain}}/assets/js/piwik.js"></script></head><body><div role="application" class="application" data-cozy="{{.CozyData}}"><script src="vendors/ecolyo.0d643adf7b74041441a1.js"></script><script src="app/ecolyo.ba835be5f3360eb8e1b0.js"></script></div></body></html>
\ No newline at end of file
+<!DOCTYPE html><html lang="{{.Locale}}"><head><meta charset="utf-8"><title>Ecolyo</title><link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32"><link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16"><!-- PWA Manifest --><link rel="manifest" href="/manifest.json" crossorigin="use-credentials"><link rel="mask-icon" href="/safari-pinned-tab.svg" color="#297EF2"><meta name="viewport" content="width=device-width,height=device-height,initial-scale=1,viewport-fit=cover"><!-- PWA Chrome --><link rel="icon" sizes="192x192" href="/android-chrome-192x192.png"><link rel="icon" sizes="512x512" href="/android-chrome-512x512.png"><!-- PWA iOS --><link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"><link rel="apple-touch-startup-image" href="/apple-touch-icon.png"><meta name="apple-mobile-web-app-title" content="Ecolyo"><meta name="apple-mobile-web-app-capable" content="yes"><meta name="apple-mobile-web-app-status-bar-style" content="black"><!-- PWA Colors --><meta name="theme-color" content="#343641"><meta name="background-color" content="#121212">{{.ThemeCSS}} {{.CozyBar}}<script src="//{{.Domain}}/assets/js/piwik.js"></script></head><body><div role="application" class="application" data-cozy="{{.CozyData}}"><script src="vendors/ecolyo.0d643adf7b74041441a1.js"></script><script src="app/ecolyo.ab0e4c8e0e0ad1650ee2.js"></script></div></body></html>
\ No newline at end of file