diff --git a/addons/web/static/src/start.js b/addons/web/static/src/start.js
index 60ac93f30d3..bf0bb0ead39 100644
--- a/addons/web/static/src/start.js
+++ b/addons/web/static/src/start.js
@@ -58,4 +58,15 @@ export async function startWebClient(Webclient) {
     // delete odoo.debug; // FIXME: some legacy code rely on this
     odoo.__WOWL_DEBUG__ = { root };
     odoo.isReady = true;
+
+    // Update Favicons
+    const favicon = `/web/image/res.company/${env.services.company.currentCompany.id}/favicon`;
+    const icons = document.querySelectorAll("link[rel*='icon']");
+    const msIcon = document.querySelector("meta[name='msapplication-TileImage']");
+    for (const icon of icons) {
+        icon.href = favicon;
+    }
+    if (msIcon) {
+        msIcon.content = favicon;
+    }
 }