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Error during production build when using Preact plugin

See original GitHub issue

When I add the Preact plugin development works fine, but when I run gatsby build I get this:

error Building static HTML for pages failed

See our docs page on debugging HTML builds for help https://goo.gl/yL9lND

  60 |     }
  61 |
> 62 |     if (location.pathname === rootPath) {
     |                  ^
  63 |       header = (
  64 |         <h1>
  65 |           <Linker to={'/'}>Gatsby Starter Blog</Linker>


  WebpackError: Cannot read property 'pathname' of undefined

  - index.js:62 Template.render
    src/layouts/index.js:62:18

  - preact-compat.js:496 callMethod
    ~/preact-compat/dist/preact-compat.js:496:1

  - preact-compat.js:507 Template.render
    ~/preact-compat/dist/preact-compat.js:507:1

  - index.js:155 renderToString
    ~/preact-render-to-string/dist/index.js:155:1

  - index.js:162 renderToString
    ~/preact-render-to-string/dist/index.js:162:1

  - index.js:162 renderToString
    ~/preact-render-to-string/dist/index.js:162:1

  - index.js:162 renderToString
    ~/preact-render-to-string/dist/index.js:162:1

  - index.js:162 renderToString
    ~/preact-render-to-string/dist/index.js:162:1

  - index.js:162 renderToString
    ~/preact-render-to-string/dist/index.js:162:1

  - gatsby-ssr.js:25 Object.exports.replaceRenderer
    ~/gatsby-plugin-styletron/gatsby-ssr.js:25:1

When I remove the plugin the production build is successful.