diff --git a/upload-api/src/controllers/sitecore/index.ts b/upload-api/src/controllers/sitecore/index.ts
index 36c9af9cf..85514a8de 100644
--- a/upload-api/src/controllers/sitecore/index.ts
+++ b/upload-api/src/controllers/sitecore/index.ts
@@ -40,7 +40,7 @@ const createLocaleSource = async ({
       'Content-Type': 'application/json',
     },
     data: {
-      locale: Array.isArray(localeData) ? localeData : (localeData ? [localeData] : []),
+      locale: Array.isArray(localeData) ? localeData : Array.from(localeData ?? [])
     },
   };