diff --git a/app/helpers/announcements_helper.rb b/app/helpers/announcements_helper.rb
index 0313648..14422ab 100644
--- a/app/helpers/announcements_helper.rb
+++ b/app/helpers/announcements_helper.rb
@@ -171,7 +171,7 @@ module AnnouncementsHelper
     else
       tags = page.tags
       tags = params[:tags] if params[:tags].present?
-      categories = params['category']=='all' ? (page.categories || []) : (Array(params['category']) rescue (page.categories || []))
+      categories = params['category']=='all' ? (page.categories || []) : (params['category'].nil? ? (page.categories || []) : Array(params['category']))
       if params['category'].present? && tags.blank?
         tags = ["all"]
       end