default scope throws devise

app/controllers/members_controller.rb

@@ -3,7 +3,7 @@ class MembersController < ApplicationController
 
   # GET /members
   def index
-    @members = Member.order(:name).page params[:page]
+    @members = Member.public.order(:name).page params[:page]
   end
 
   # GET /members/1

app/models/member.rb

@@ -1,6 +1,6 @@
 class Member < ApplicationRecord
 
-  def self.default_scope
+  def self.public
     where.not(confirmed_at: nil).where.not(picture: nil)
   end