diff --git a/package.json b/package.json
index a96423b14..94a998976 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "babel-preset-stage-0": "^6.24.1",
     "babel-runtime": "^6.26.0",
     "chalk": "^1.1.3",
+    "cross-env": "^5.1.3",
     "disc": "^1.3.2",
     "eslint": "^4.16.0",
     "eslint-plugin-import": "^2.8.0",
@@ -73,14 +74,14 @@
     "benchmark": "mkdir -p ./tmp && babel-node ./node_modules/.bin/_matcha --reporter ./support/benchmark-reporter ./packages/*/benchmark/index.js > ./tmp/benchmark-comparison.json && babel-node ./support/benchmark-compare",
     "benchmark:save": "mkdir -p ./tmp && babel-node ./node_modules/.bin/_matcha --reporter ./support/benchmark-reporter ./packages/*/benchmark/index.js > ./tmp/benchmark-baseline.json",
     "bootstrap": "lerna bootstrap && yarn build",
-    "build": "NODE_ENV=production rollup --config",
+    "build": "cross-env NODE_ENV=production rollup --config",
     "clean": "lerna run clean && rm -rf ./node_modules ./dist ./examples/build.*.js",
     "gh-pages": "yarn build && gh-pages --dist ./examples",
     "lint": "eslint packages/*/src packages/*/test examples/*/*.js examples/dev/*/*.js",
     "open": "open http://localhost:8080/dev.html",
     "release": "yarn test && yarn lint && lerna publish && yarn gh-pages",
     "start": "http-server ./examples",
-    "test": "BABEL_ENV=test mocha --require babel-core/register ./packages/*/test/index.js",
+    "test": "cross-env BABEL_ENV=test mocha --require babel-core/register ./packages/*/test/index.js",
     "watch": "npm-run-all --parallel --print-label watch:rollup start",
     "watch:rollup": "rollup --config --watch"
   }
diff --git a/yarn.lock b/yarn.lock
index b45479b8a..0f9aa9273 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1507,6 +1507,13 @@ create-error-class@^3.0.0:
   dependencies:
     capture-stack-trace "^1.0.0"
 
+cross-env@^5.1.3:
+  version "5.1.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-5.1.3.tgz#f8ae18faac87692b0a8b4d2f7000d4ec3a85dfd7"
+  dependencies:
+    cross-spawn "^5.1.0"
+    is-windows "^1.0.0"
+
 cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
@@ -2830,6 +2837,10 @@ is-window@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-window/-/is-window-1.0.2.tgz#2c896ca53db97de45d3c33133a65d8c9f563480d"
 
+is-windows@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.1.tgz#310db70f742d259a16a369202b51af84233310d9"
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"