diff --git a/packages/core/upload/server/controllers/content-api.js b/packages/core/upload/server/controllers/content-api.js
index da4e6b920f..7d4565d316 100644
--- a/packages/core/upload/server/controllers/content-api.js
+++ b/packages/core/upload/server/controllers/content-api.js
@@ -89,7 +89,7 @@ module.exports = {
       request: { body, files: { files } = {} },
     } = ctx;
 
-    const data = await validateUploadBody(body);
+    const data = await validateUploadBody(body, Array.isArray(files));
 
     const apiUploadFolderService = getService('api-upload-folder');