diff --git a/db/migrate/20200717015413_backfill_status_nest_level.rb b/lib/tasks/monsterfork.rake
index 1f37ef847..041bdac3c 100644
--- a/db/migrate/20200717015413_backfill_status_nest_level.rb
+++ b/lib/tasks/monsterfork.rake
@@ -1,24 +1,22 @@
-class BackfillStatusNestLevel < ActiveRecord::Migration[5.2]
-  disable_ddl_transaction!
-
-  def up
-    Rails.logger.info("Populating nest levels for orphaned replies...")
+# frozen_string_literal: true
+namespace :monsterfork do
+  desc 'Compute post nesting levels (this may take a very long time!)'
+  task compute_nesting_levels: :environment do
+    Rails.logger.info('Setting post nesting level for orphaned replies...')
     Status.select(:id, :account_id).where(reply: true, in_reply_to_id: nil).reorder(nil).in_batches.update_all(nest_level: 1)
 
     count = 1.0
     total = Conversation.count
 
     Conversation.reorder('conversations.id DESC').find_each do |conversation|
-      Rails.logger.info("(#{(count/total*100).to_i}%) Populating nest levels for threads...")
+      Rails.logger.info("(#{(count / total * 100).to_i}%) Computing post nesting levels for all threads...")
+
       conversation.statuses.where(reply: true).reorder('statuses.id ASC').find_each do |status|
         level = [status.thread&.account_id == status.account_id ? status.thread&.nest_level.to_i : status.thread&.nest_level.to_i + 1, 127].min
         status.update(nest_level: level) if level != status.nest_level
       end
+
       count += 1
     end
   end
-
-  def down
-    true
-  end
 end