backend/lib/tasks/sync_nico.rake

@@ -114,6 +114,9 @@ namespace :nico do
       if deerjikist
         desired_non_nico_ids << deerjikist.tag_id
         desired_nico_ids << deerjikist.tag_id
+      elsif !(Tag.where(id: desired_all_ids).where(category: :deerjikist).exists?)
+        desired_non_nico_ids << Tag.no_deerjikist.id
+        desired_nico_ids << Tag.no_deerjikist.id
       end
 
       desired_nico_ids.uniq!
@@ -124,9 +127,6 @@ namespace :nico do
       if kept_non_nico_ids.to_set != desired_non_nico_ids.to_set
         desired_all_ids << Tag.bot.id
       end
-      unless Tag.where(id: desired_all_ids).where(category: 'deerjikist').exists?
-        desired_all_ids << Tag.no_deerjikist.id
-      end
       desired_all_ids.uniq!
 
       sync_post_tags!(post, desired_all_ids, current_ids: kept_ids)