diff --git a/config/webpack-config-legacy-build.mjs b/config/webpack-config-legacy-build.mjs
index 7e720b8f3e..e200114178 100644
--- a/config/webpack-config-legacy-build.mjs
+++ b/config/webpack-config-legacy-build.mjs
@@ -48,6 +48,7 @@ export default {
   },
   output: {
     path: path.resolve('./build/legacy'),
+    publicPath: '',
     filename: 'ol.js',
     library: 'ol',
     libraryTarget: 'umd',