diff --git a/package.json b/package.json
index 47cd747..900931f 100644
--- a/package.json
+++ b/package.json
@@ -6,8 +6,8 @@
     "build:chrome": "export TARGET=chrome && run-p type-check \"build {@}\" --",
     "build:firefox": "export TARGET=firefox && run-p type-check \"build {@}\" --",
     "build:all": "npm run build:chrome && npm run build:firefox",
-    "package:chrome": "mkdir -p dist-package && zip -FSrj dist-package/open-multiple-urls-$npm_package_version-chrome.zip dist-chrome",
-    "package:firefox": "mkdir -p dist-package && zip -FSrj dist-package/open-multiple-urls-$npm_package_version-firefox.zip dist-firefox",
+    "package:chrome": "mkdir -p dist-package && cd dist-chrome && zip -FSr ../dist-package/open-multiple-urls-$npm_package_version-chrome.zip .",
+    "package:firefox": "mkdir -p dist-package && cd dist-firefox && zip -FSr ../dist-package/open-multiple-urls-$npm_package_version-firefox.zip .",
     "package:all": "npm run package:chrome && npm run package:firefox",
     "dev:chrome": "export TARGET=chrome && run-p type-check \"watch {@}\" --",
     "dev:firefox": "export TARGET=firefox && run-p type-check \"watch {@}\" --",