diff --git a/package.json b/package.json
index e498be2f6..df729752f 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
 		"start": "BUILD_ENV=es6 babel src --out-dir build-module --source-maps --ignore 'src/**/__tests__/*.js' --copy-files --no-copy-ignored --watch",
 		"build:es6": "BUILD_ENV=es6 babel src --out-dir build-module --source-maps --ignore 'src/**/__tests__/*.js' --copy-files --no-copy-ignored",
 		"build:cjs": "BUILD_ENV=cjs babel src --out-dir build --source-maps --ignore 'src/**/__tests__/*.js' --copy-files --no-copy-ignored",
-		"build:browser": "NODE_ENV=production webpack --mode production --progress --config ./webpack.config.browser.js",
+		"build:browser": "BUILD_ENV=es6 NODE_ENV=production webpack --mode production --progress --config ./webpack.config.browser.js",
 		"build:types": "tsc --build",
 		"build": "yarn build:es6 && yarn build:cjs && yarn build:browser && yarn build:types",
 		"clean": "rm -rf build build-module build-browser build-types dist",