diff --git a/src/headless/package.json b/src/headless/package.json
index 22fc15ed8..15bd54549 100644
--- a/src/headless/package.json
+++ b/src/headless/package.json
@@ -6,6 +6,7 @@
   "homepage": "https://conversejs.org",
   "license": "MPL-2.0",
   "main": "dist/converse-headless.min.js",
+  "module": "headless.js",
   "keywords": [
     "converse.js",
     "XMPP",