diff --git a/package.json b/package.json
index f9c3c53d31..b10b097c24 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "build:css": "catw \"src/skins/vector/css/**/*.css\" -o vector/components.css --no-watch",
     "build:compile": "babel --source-maps -d lib src",
     "build:bundle": "NODE_ENV=production webpack -p lib/vector/index.js vector/bundle.js",
-    "build:bundle:dev": "webpack --optimize-occurence-order lib/vector/index.js vector/bundle.js",
+    "build:bundle:dev": "NODE_ENV=production webpack --optimize-occurence-order lib/vector/index.js vector/bundle.js",
     "build": "npm run build:css && npm run build:compile && npm run build:bundle",
     "build:dev": "npm run build:css && npm run build:compile && npm run build:bundle:dev",
     "package": "scripts/package.sh",