diff --git a/app/models/site.rb b/app/models/site.rb
index 79238d82..81006454 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -19,7 +19,7 @@ class Site
   field :sitemap_menu_in_header, :type => Boolean, :default => false
   field :enable_terms_of_use, :type => Boolean, :default => false
   field :enable_language_detection, :type => Boolean, :default => false
-  field :announcement_category, :type => Array
+  field :announcement_category, :type => Array, :default=>[]
 
   field :title_always_on, :type => Boolean, :default => false
   field :dashbroad_allow_visitor, :type => Boolean, :default => false
diff --git a/app/views/admin/sites/responsive_setting.html.erb b/app/views/admin/sites/responsive_setting.html.erb
index 5d9ba8cf..14e70822 100644
--- a/app/views/admin/sites/responsive_setting.html.erb
+++ b/app/views/admin/sites/responsive_setting.html.erb
@@ -30,7 +30,7 @@
                 <label class="control-label muted">Select Announcement Categories</label>
                 <div class="controls">
                   <% @module.categories.each do |category| %>
-                    <%= check_box_tag "site[announcement_category][]", category.id.to_s, @site.announcement_category.include?(category), :class=>"toggle-check", :data => { :title => "#{category.title}", disabled: true }, "data-deploy"=>"inline", :checked => (@site.announcement_category.include?(category.id.to_s)) %>
+                    <%= check_box_tag "site[announcement_category][]", category.id.to_s, (@site.announcement_category.include?(category) rescue false), :class=>"toggle-check", :data => { :title => "#{category.title}", disabled: true }, "data-deploy"=>"inline", :checked => (@site.announcement_category.include?(category.id.to_s)) %>
                   <% end %>
                 </div>
               </div>