diff --git a/webpack.config.ts b/webpack.config.ts
index 3674d81e..32c41eba 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -35,7 +35,6 @@ export default function buildWebpackConfig(env: Env): any {
       entry: './src/standalone.ts',
       optimization: { minimize: true },
       externals: undefined,
-      devtool: 'source-map',
       output: {
         ...baseConfig.output,
         filename: 'voyager.standalone.js',
@@ -56,6 +55,7 @@ export default function buildWebpackConfig(env: Env): any {
 }
 
 const baseConfig: webpack.Configuration = {
+  devtool: 'source-map',
   performance: {
     hints: false,
   },