diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 07d6a091..f4145e09 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -98,7 +98,7 @@ class ApplicationController < ActionController::Base
   def not_readonly_flash!(view_name)
     return unless Retrospring::Config.readonly?
 
-    flash[:error] = t("errors.read_only_mode")
+    flash.now[:error] = t("errors.read_only_mode")
     render view_name
 
     false
diff --git a/app/models/user.rb b/app/models/user.rb
index b3b5bee5..ebe1a39a 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -73,7 +73,7 @@ class User < ApplicationRecord
             length:      { minimum: 1, maximum: 16 },
             uniqueness:  { case_sensitive: false },
             screen_name: true,
-            read_only: true
+            read_only:   true
 
   mount_uploader :profile_picture, ProfilePictureUploader, mount_on: :profile_picture_file_name
   process_in_background :profile_picture
diff --git a/config/justask.yml.example b/config/justask.yml.example
index 273e8e92..6369428d 100644
--- a/config/justask.yml.example
+++ b/config/justask.yml.example
@@ -62,7 +62,8 @@ features:
   advanced_frontpage:
     enabled: false
   # readonly mode -- users can only delete
-  readonly: false
+  readonly:
+    enabled: false
 
 # Redis
 redis_url: "redis://localhost:6379"