diff --git a/astro.config.mjs b/astro.config.mjs
index 37a0a32..12b6d7d 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -1,6 +1,19 @@
 import { defineConfig } from 'astro/config';
 
 export default defineConfig({
-  build: { format: 'file' },
+  // Relative asset URLs, so the site works wherever it is hosted, e.g. https://berlin.ccc.de/kik/
+  build: { format: 'file', assetsPrefix: '.' },
   compressHTML: false,
+  vite: {
+    environments: {
+      client: {
+        build: {
+          rolldownOptions: {
+            // The page's script and the terminal it loads
+            output: { entryFileNames: 'loader.js', chunkFileNames: 'terminal.js' },
+          },
+        },
+      },
+    },
+  },
 });