diff --git a/db/migrate/20150731225331_migrate_old_moved_posts.rb b/db/migrate/20150731225331_migrate_old_moved_posts.rb
new file mode 100644
index 00000000000..73add43deda
--- /dev/null
+++ b/db/migrate/20150731225331_migrate_old_moved_posts.rb
@@ -0,0 +1,6 @@
+class MigrateOldMovedPosts < ActiveRecord::Migration
+  def up
+    execute "UPDATE posts SET post_type = 3, action_code = 'split_topic' WHERE post_type = 2 AND raw ~* '^I moved [a\\d]+ posts? to a new topic:'"
+    execute "UPDATE posts SET post_type = 3, action_code = 'split_topic' WHERE post_type = 2 AND raw ~* '^I moved [a\\d]+ posts? to an existing topic:'"
+  end
+end