diff --git a/public/apps/webapp-schulverwaltung/index.html b/public/apps/webapp-schulverwaltung/index.html
index 99e391d8..645c1e96 100644
--- a/public/apps/webapp-schulverwaltung/index.html
+++ b/public/apps/webapp-schulverwaltung/index.html
@@ -8,13 +8,11 @@
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   <body>
     <bkd-app></bkd-app>
     <script src="../../scripts/iframe.js" type="module"></script>
-    <script src="runtime.js" type="module"></script>
-    <script src="polyfills.js" type="module"></script>
-    <script src="main.js" type="module"></script>
     <script src="../MasterExcel/main.js"></script>
-  </body>
+    <link rel="modulepreload" href="chunk-MPFKTLUK.js"><link rel="modulepreload" href="chunk-DMYOU5OM.js"><link rel="modulepreload" href="chunk-RWNJF4OZ.js"><script src="polyfills.js" type="module"></script><script src="main.js" type="module"></script></body>
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