diff --git a/implementations/javascript/packages/schema/package.json b/implementations/javascript/packages/schema/package.json
index aa8a152..4735b73 100644
--- a/implementations/javascript/packages/schema/package.json
+++ b/implementations/javascript/packages/schema/package.json
@@ -13,7 +13,7 @@
   "types": "lib/index.d.ts",
   "author": "Tony Garnock-Jones <tonyg@leastfixedpoint.com>",
   "scripts": {
-    "regenerate": "rm -rf ./src/gen && ./bin/preserves-schema-ts.js --output ./src/gen ../../../../schema:schema.prs",
+    "regenerate": "rm -rf ./src/gen && mkdir -p ./dist && cp -a ../../../../schema/schema.prs ./dist & ./bin/preserves-schema-ts.js --output ./src/gen ./dist:schema.prs",
     "clean": "rm -rf lib dist",
     "prepare": "yarn compile && yarn rollup",
     "compile": "tsc",