diff --git a/website/src/repl/prebake.mjs b/website/src/repl/prebake.mjs
index a9ad87c9..edf63f54 100644
--- a/website/src/repl/prebake.mjs
+++ b/website/src/repl/prebake.mjs
@@ -1,5 +1,4 @@
 import { Pattern, noteToMidi, valueToMidi } from '@strudel.cycles/core';
-import { registerSoundfonts } from '@strudel.cycles/soundfonts';
 import { registerSynthSounds, samples } from '@strudel.cycles/webaudio';
 import './piano.mjs';
 
@@ -8,7 +7,11 @@ export async function prebake() {
   // License: CC-by http://creativecommons.org/licenses/by/3.0/ Author: Alexander Holm
   await Promise.all([
     registerSynthSounds(),
-    registerSoundfonts(),
+    //registerSoundfonts(),
+    // need dynamic import here, because importing @strudel.cycles/soundfonts fails on server:
+    // => getting "window is not defined", as soon as "@strudel.cycles/soundfonts" is imported statically
+    // seems to be a problem with soundfont2
+    import('@strudel.cycles/soundfonts').then(({ registerSoundfonts }) => registerSoundfonts()),
     samples(`./piano.json`, `./piano/`, { prebake: true }),
     // https://github.com/sgossner/VCSL/
     // https://api.github.com/repositories/126427031/contents/