diff --git a/agenda/auth.py b/agenda/auth.py
index 3e2f2b8..fefbee9 100644
--- a/agenda/auth.py
+++ b/agenda/auth.py
@@ -21,13 +21,16 @@ def verify_auth_token(token: str) -> str | None:
 
 def require_authentication() -> werkzeug.Response | None:
     """Require authentication and redirect with return URL."""
+    if not flask.current_app.config.get("REQUIRE_AUTH"):
+        return None
+
     token = flask.request.cookies.get("auth_token")
     if token and verify_auth_token(token):
         return None
 
     # Construct the redirect URL with the original URL as a parameter
     return flask.redirect(
-        flask.current_app.config["UNIAUTH_LOGIN_URL"]
-        + "?next="
+        flask.current_app.config["UNIAUTH_URL"]
+        + "/login?next="
         + werkzeug.urls.url_quote(flask.request.url)
     )