diff --git a/implementations/javascript/package.json b/implementations/javascript/package.json
index 811ef85..3d7000b 100644
--- a/implementations/javascript/package.json
+++ b/implementations/javascript/package.json
@@ -8,7 +8,7 @@
     "access": "public"
   },
   "repository": "gitlab:preserves/preserves",
-  "main": "src/index.js",
+  "main": "lib/index.js",
   "author": "Tony Garnock-Jones <tonyg@leastfixedpoint.com>",
   "devDependencies": {
     "@types/jest": "^26.0.19",