diff --git a/docs-src/src/examples/MediaUploader/S3.js.example b/docs-src/src/examples/MediaUploader/S3.js.example
index fbb458b3..8dfc85c5 100644
--- a/docs-src/src/examples/MediaUploader/S3.js.example
+++ b/docs-src/src/examples/MediaUploader/S3.js.example
@@ -8,7 +8,7 @@
 //    fileUrl: 'https://url.of.the.file/on/s3',
 //  }
 
-<MediaUploader getS3Info={(file) => {
+<MediaUploader getS3Info={async (file) => {
   const response = await fetch(`/images/sign?file_name=${file.name}`)
   const {data} = await response.json()