diff --git a/lib/philomena_web/plugs/filter_banned_users_plug.ex b/lib/philomena_web/plugs/filter_banned_users_plug.ex
index 37cb1612..989edb71 100644
--- a/lib/philomena_web/plugs/filter_banned_users_plug.ex
+++ b/lib/philomena_web/plugs/filter_banned_users_plug.ex
@@ -21,13 +21,27 @@ defmodule PhilomenaWeb.FilterBannedUsersPlug do
 
     conn.assigns.current_ban
     |> maybe_halt(conn, redirect_url)
+    |> maybe_halt_no_fingerprint()
   end
 
-  def maybe_halt(nil, conn, _redirect_url), do: conn
-  def maybe_halt(_current_ban, conn, redirect_url) do
+  defp maybe_halt(nil, conn, _redirect_url), do: conn
+  defp maybe_halt(_current_ban, conn, redirect_url) do
     conn
     |> Controller.put_flash(:error, "You are currently banned.")
     |> Controller.redirect(external: redirect_url)
     |> Conn.halt()
   end
-end
\ No newline at end of file
+
+  defp maybe_halt_no_fingerprint(%{halted: true} = conn), do: conn
+  defp maybe_halt_no_fingerprint(conn) do
+    conn = Conn.fetch_cookies(conn)
+
+    case conn.cookies["_ses"] do
+      nil ->
+        PhilomenaWeb.NotAuthorizedPlug.call(conn)
+
+      _other ->
+        conn
+    end
+  end
+end