diff --git a/web/webpack.config.js b/web/webpack.config.js
index 232bed41..24383a4a 100644
--- a/web/webpack.config.js
+++ b/web/webpack.config.js
@@ -303,6 +303,7 @@ module.exports = {
     vendorChunks,
     pgAdminCommonChunks,
     providePlugin,
+    definePlugin,
     hardSourceWebpackPlugin,
   ],
 };