acts_as_list does not play well with PostgreSQL and string scope name

[tb]

PostgreSQL does not work with:
acts_as_list :scope => 'article_section_id', :column => 'sort_order'

When I run:
ArticleSection.find(1234).articles.create(title: "Test1")

It results in following error: ActiveRecord::StatementInvalid: PG::Error: ERROR: argument of WHERE must be type boolean, not type integer

because this SQL being executed:
SELECT "articles".* FROM "articles" WHERE (article_section_id) ORDER BY articles.sort_order DESC LIMIT 1

I was able to fix it basded on very old blog post: http://www.mattmccray.com/archive/2006/07/19/Comatose_and_PostgreSQL

All that I had to do was to change string names to symbols:
acts_as_list scope: :article_section_id, column: :sort_order

I report it since it looks like bug to me.

[philippfranke]

Hey @tb, the official repository moved to https://github.com/swanandp/acts_as_list. Please check if your issue is solved.

[xarisd]

Hello there I tried to find the issues in the new "official" repository https://github.com/swanandp/acts_as_list but I didn't find any similar issue.
I am having the same problem (acts_as_list 0.4.0) when I publish to Heroku.
Is there anyone who knows how to fix this?