diff --git a/scripts/build/build.js b/scripts/build/build.js
index 4a321a57..a0a08afa 100755
--- a/scripts/build/build.js
+++ b/scripts/build/build.js
@@ -131,7 +131,7 @@ shell.cp("README.md", "dist/README.md");
 shell.echo("Done!");
 shell.echo();
 shell.echo("How to test against dist:");
-shell.echo("  1) yarn test --prod");
+shell.echo("  1) NODE_ENV=production yarn test");
 shell.echo();
 shell.echo("How to publish:");
 shell.echo("  1) IMPORTANT!!! Go to dist/");