diff --git a/web/router.go b/web/router.go
index b4a849e83a69b26922717200af91bd67eced508d..5d4b65a7a0fde444173e4c9867aff6b1fd73e9f7 100644
--- a/web/router.go
+++ b/web/router.go
@@ -253,8 +253,12 @@ }
 
 // redirectLogin sends an unauthenticated caller to meta's login, returning them
 // to the current URL afterwards.
+//
+// LoginURLFor rather than a whole Page for one field off it: building the page
+// resolves the nav, the profile link and the brand for a response that is a
+// Location header and nothing else.
 func (a *app) redirectLogin(w http.ResponseWriter, r *http.Request) {
-	http.Redirect(w, r, a.page(r, "").LoginURL, http.StatusSeeOther)
+	http.Redirect(w, r, a.chrome.LoginURLFor(r), http.StatusSeeOther)
 }
 
 // loadRepoForBrowse loads the repo named by the {user}/{db} URL params and