diff --git a/extension/package.json b/extension/package.json
index b4a02954..7f88990f 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -14,9 +14,9 @@
     "start": "webpack --env development --watch",
     "build": "pnpm run build:extension && pnpm run build:chrome && pnpm run build:edge && pnpm run build:firefox",
     "build:extension": "webpack --env production && webpack --config wrap.webpack.config.js",
-    "build:chrome": "cpy dist/** chrome/dist && cpy manifest.json dist --cwd chrome",
-    "build:edge": "cpy dist/** edge/dist && cpy manifest.json dist --cwd edge",
-    "build:firefox": "cpy dist/** firefox/dist && cpy manifest.json dist --cwd firefox",
+    "build:chrome": "cpy . ../chrome/dist --cwd dist && cpy manifest.json dist --cwd chrome",
+    "build:edge": "cpy . ../edge/dist --cwd dist && cpy manifest.json dist --cwd edge",
+    "build:firefox": "cpy . ../firefox/dist --cwd dist && cpy manifest.json dist --cwd firefox",
     "build:examples": "babel-node examples/buildAll.js",
     "clean": "rimraf dist && rimraf chrome/dist && rimraf edge/dist && rimraf firefox/dist",
     "test:app": "cross-env BABEL_ENV=test jest test/app",