diff --git a/packages/docusaurus/src/commands/build.ts b/packages/docusaurus/src/commands/build.ts
index 8dbde60280fb..4a11df5f1f1f 100644
--- a/packages/docusaurus/src/commands/build.ts
+++ b/packages/docusaurus/src/commands/build.ts
@@ -88,7 +88,7 @@ export default async function build(
 
     const results = await mapAsyncSequencial(orderedLocales, (locale) => {
       const isLastLocale =
-        i18n.locales.indexOf(locale) === i18n.locales.length - 1;
+        orderedLocales.indexOf(locale) === orderedLocales.length - 1;
       return tryToBuildLocale({locale, isLastLocale});
     });
     return results[0];