diff --git a/src/backend/webpack.prod.js b/src/backend/webpack.prod.js
index ae9d975..9162cbf 100644
--- a/src/backend/webpack.prod.js
+++ b/src/backend/webpack.prod.js
@@ -68,7 +68,8 @@ module.exports = [{
   },
 
   externals:{
-    knex: "../plugins/node_modules/knex"
+    knex: "../plugins/node_modules/knex",
+    "./Installer": "./Installer"
   },
   optimization: {
     minimize: false