diff --git a/package.json b/package.json
index 597fc13..580afe2 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
     "name": "@lumeweb/kernel-s5-client",
     "version": "0.1.0",
     "type": "module",
+    "main": "lib/index.js",
     "repository": {
         "type": "git",
         "url": "gitea@git.lumeweb.com:LumeWeb/kernel-s5-client.git"