diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 62b0a6329..64b16ae54 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -90,7 +90,7 @@ def set_list_posts
                               SiteSetting['LotteryAgeDeprecationSpeed']] }
     sort_param = sort_params[params[:sort]&.to_sym] || { last_activity: :desc }
     @posts = @category.posts.undeleted.where(post_type_id: @category.display_post_types)
-                      .includes(:post_type).list_includes.paginate(page: params[:page], per_page: 50)
+                      .includes(:post_type, :tags).list_includes.paginate(page: params[:page], per_page: 50)
                       .order(sort_param)
   end
 
diff --git a/app/views/posts/_list.html.erb b/app/views/posts/_list.html.erb
index 90066c51d..29a6b60cf 100644
--- a/app/views/posts/_list.html.erb
+++ b/app/views/posts/_list.html.erb
@@ -27,8 +27,8 @@
     <div class="has-padding-top-2">
       <% if is_question %>
         <% tag_set = post.tag_set %>
-        <% required_ids = post.category&.required_tag_ids %>
-        <% topic_ids = post.category&.topic_tag_ids %>
+        <% required_ids = defined?(@category) ? @category&.required_tag_ids : post.category&.required_tag_ids %>
+        <% topic_ids = defined?(@category) ? @category&.topic_tag_ids : post.category&.topic_tag_ids %>
         <% post.tags.category_sort_by(required_ids, topic_ids).each do |tag| %>
           <% required = required_ids&.include? tag.id %>
           <% topic = topic_ids&.include? tag.id %>