diff --git a/src/cli.js b/src/cli.js
index 7a9d4acedd0..510a13c2449 100755
--- a/src/cli.js
+++ b/src/cli.js
@@ -177,6 +177,7 @@ async function bundle(main, command) {
   const Bundler = require('../');
 
   if (command.name() === 'build') {
+    command.production = true;
     process.env.NODE_ENV = process.env.NODE_ENV || 'production';
   } else {
     process.env.NODE_ENV = process.env.NODE_ENV || 'development';