diff --git a/packages/@uppy/aws-s3-multipart/src/MultipartUploader.js b/packages/@uppy/aws-s3-multipart/src/MultipartUploader.js
index 31cee2144a..9243ee53a5 100644
--- a/packages/@uppy/aws-s3-multipart/src/MultipartUploader.js
+++ b/packages/@uppy/aws-s3-multipart/src/MultipartUploader.js
@@ -254,7 +254,7 @@ class MultipartUploader {
         }),
       })
     } catch (error) {
-      this.#onError(error)
+      throw new Error(error)
     }
 
     const valid = typeof result?.presignedUrls === 'object'