diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index cbce88429d..7ddfce610d 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -16,7 +16,7 @@
     "types": "lib/src/index.d.ts",
     "scripts": {
         "watch_without_deps": "yarn pre_build && tsc -w",
-        "build": "yarn pre_build && build:all && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
+        "build": "yarn pre_build && yarn build:all && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "build:all": "run-p build:umd:prod build:commonjs; exit 0;",
         "pre_build": "run-s generate_contract_wrappers copy_artifacts",
         "copy_artifacts": "copyfiles -u 2 './src/compact_artifacts/**/*.json' ./lib/src/compact_artifacts",