diff --git a/index.js b/index.js
index 1ca8d4e8..201dd2ca 100644
--- a/index.js
+++ b/index.js
@@ -99,6 +99,7 @@ function createLoaderRules(languages, features, workers, publicPath) {
     if(!publicPath && window.__webpack_public_path__) {
       return `${window.__webpack_public_path__}/${workerPath}`
     }
+    return workerPath;
   };
 
   const globals = {