diff --git a/backend/onedrive/onedrive.go b/backend/onedrive/onedrive.go
index 3f4bae51f..7ea8caf34 100755
--- a/backend/onedrive/onedrive.go
+++ b/backend/onedrive/onedrive.go
@@ -1857,7 +1857,7 @@ func (o *Object) uploadMultipart(ctx context.Context, in io.Reader, size int64,
 		fs.Debugf(o, "Cancelling multipart upload: %v", err)
 		cancelErr := o.cancelUploadSession(ctx, uploadURL)
 		if cancelErr != nil {
-			fs.Logf(o, "Failed to cancel multipart upload: %v", cancelErr)
+			fs.Logf(o, "Failed to cancel multipart upload: %v (upload failed due to: %v)", cancelErr, err)
 		}
 	})()