diff --git a/webpack/local.babel.js b/webpack/local.babel.js
index 3c4fe7eb..e730ec46 100644
--- a/webpack/local.babel.js
+++ b/webpack/local.babel.js
@@ -50,7 +50,7 @@ module.exports = {
         rules: [
             {
                 test: /\.js?$/,
-                exclude: /node_modules/,
+                exclude: [/node_modules/, /blockchain-link\/build\/workers/],
                 use: ['babel-loader'],
             },
             {