diff --git a/package.json b/package.json
index 6a6c376..94c3de3 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "@recogito/annotorious-openseadragon",
   "version": "2.2.3",
   "description": "Annotorious image annotation for OpenSeadragon",
-  "module": "dist/openseadragon-annotorious.min.js",
+  "main": "dist/openseadragon-annotorious.min.js",
   "scripts": {
     "start": "webpack serve --open --mode=development",
     "build": "webpack --mode=production"