diff --git a/test/cases/publicpath-function/expected/main.css b/test/cases/publicpath-function/expected/nested/style.css
similarity index 100%
rename from test/cases/publicpath-function/expected/main.css
rename to test/cases/publicpath-function/expected/nested/style.css
diff --git a/test/cases/publicpath-function/webpack.config.js b/test/cases/publicpath-function/webpack.config.js
index 30b243df..948b9db6 100644
--- a/test/cases/publicpath-function/webpack.config.js
+++ b/test/cases/publicpath-function/webpack.config.js
@@ -2,7 +2,10 @@ const Self = require('../../../');
 const path = require('path')
 
 module.exports = {
-  entry: './index.js',
+  entry: {
+    // Specific CSS entry point, with output to a nested folder
+    'nested/style': './nested/style.css',
+  },
   module: {
     rules: [
       {
@@ -11,6 +14,7 @@ module.exports = {
           {
             loader: Self.loader,
             options: {
+              // Compute publicPath relative to the CSS output
               publicPath: (resourcePath, context) => path.relative(path.dirname(resourcePath), context) + '/',
             }
           },