diff --git a/webpack.config.js b/webpack.config.js
index e7aea70..0e593a4 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -144,6 +144,7 @@ if (process.env.HMR === 'true') {
   config.plugins = (config.plugins || []).concat([
     new ExtensionReloader({
       manifest: __dirname + '/src/manifest.json',
+      port: 19090
     }),
   ]);
 }