diff --git a/frontend/src/pages/Play.svelte b/frontend/src/pages/Play.svelte
index 5602e38..f0ab98f 100644
--- a/frontend/src/pages/Play.svelte
+++ b/frontend/src/pages/Play.svelte
@@ -70,7 +70,10 @@
     try {
       const url = isSetup ? setupBundleUrl(game) : bundleUrl(game);
       if (!url || !window.Dos) throw new Error("Failed to resolve game bundle");
-      dosCI = await window.Dos(dosContainer, { url });
+      dosCI = await window.Dos(dosContainer, { 
+        url,
+        pathPrefix: "https://v8.js-dos.com/8.xx/8.3.14/emulators/",
+      });
       running = true;
     } catch (e) {
       error = e.message;