diff --git a/web/webpack.config.js b/web/webpack.config.js
index 6a765e081..9945397a1 100644
--- a/web/webpack.config.js
+++ b/web/webpack.config.js
@@ -20,11 +20,12 @@ const isProduction = process.env.NODE_ENV === 'production';
 const hasSentryToken = process.env.SENTRY_AUTH_TOKEN !== undefined;
 const jsBundleId = getJsBundleId();
 
-// copy static files to dist file
+// copy static files to dist folder
 const copyWebpackCommands = [
   {
     from: `${STATIC_ROOT}/index-web.html`,
     to: `${DIST_ROOT}/index.html`,
+    // add javascript script to index.html, generate/insert metatags
     transform(content, path) {
       return insertToHead(content.toString(), buildBasicOgMetadata());
     },
@@ -80,6 +81,12 @@ if (fs.existsSync(ROBOTS_TXT_PATH)) {
   });
 }
 
+// clear the dist folder of existing js files before compilation
+let regex = /^.*\.(json|js|map)$/;
+fs.readdirSync(`${DIST_ROOT}/public/`)
+  .filter(f => regex.test(f))
+  .map(f => fs.unlinkSync(`${DIST_ROOT}/public/` + f));
+
 let plugins = [
   new WriteFilePlugin(),
   new CopyWebpackPlugin(copyWebpackCommands),