diff --git a/src/app.config.json b/src/app.config.json
index 86203e1ab..c2d8d447a 100644
--- a/src/app.config.json
+++ b/src/app.config.json
@@ -11,6 +11,7 @@
     "secret": "",
     "implicitFlow": true,
     "silentLogin": true,
+    "publicUrls": ["**/preview/s/*", "**/settings"],
     "redirectSilentIframeUri": "./assets/silent-refresh.html",
     "redirectUri": "/",
     "redirectUriLogout": "/logout"