diff --git a/vite.config.js b/vite.config.js
index abdb3cc..783c004 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -5,6 +5,7 @@ export default defineConfig({
   build: {
     lib: {
       entry: resolve(__dirname, 'src/index.js'),
+      fileName: 'index',
       name: 'crunches',
     },
     sourcemap: true,