diff --git a/db/migrate/20180812173710_copy_status_stats.rb b/db/migrate/20180812173710_copy_status_stats.rb
index 9b4f2128c..850aa9c13 100644
--- a/db/migrate/20180812173710_copy_status_stats.rb
+++ b/db/migrate/20180812173710_copy_status_stats.rb
@@ -9,6 +9,8 @@ class CopyStatusStats < ActiveRecord::Migration[5.2]
           SELECT id, reblogs_count, favourites_count, created_at, updated_at
           FROM statuses
           WHERE id IN (#{statuses.map(&:id).join(', ')})
+          ON CONFLICT (status_id) DO UPDATE
+          SET reblogs_count = EXCLUDED.reblogs_count, favourites_count = EXCLUDED.favourites_count
         SQL
       end
     end