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Editorial Team
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Asked: 2026-05-25T15:24:11+00:00

In my application.css.scss I reference an image like this: body { background: #7d9ec4 url(asset-path(‘background.png’,

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In my application.css.scss I reference an image like this:

body {
    background: #7d9ec4 url(asset-path('background.png', image)) no-repeat fixed bottom center;
}

It is located in app/assets/images/background.png and it works perfectly fine in dev.

I’m deploying to Heroku, so I need to precompile the assets. After I run rake assets:precompile the comiled files show up in public/assets/ and my background.png gets this filename: background-876262e736e0b48500313d1a48005396.png(no surprise, I know it’s the fingerprint).

What baffles me is that the compiled application-7665539658a117373a79cd8568f36315.css tries to load /assets/background-61d37b9fc285589fc0016694e6f8d134.png, which clearly is the wrong fingerprint.

So I deleted all files from public/assets/ and compiled again, added the new files to git (and removed the old ones), committed and pushed to Heroku – but no luck: the CSS still uses the wrong background-xyz.png.

Does anybody know how to resolve this?

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1 Answer

  1. Editorial Team

    i think there was an issue in the Rails Github issue tracker about this:
    https://github.com/rails/rails/issues/2569

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