diff --git a/packages/@uppy/aws-s3/src/MiniXHRUpload.js b/packages/@uppy/aws-s3/src/MiniXHRUpload.js
index 09cd155062..05d2e0a875 100644
--- a/packages/@uppy/aws-s3/src/MiniXHRUpload.js
+++ b/packages/@uppy/aws-s3/src/MiniXHRUpload.js
@@ -211,8 +211,9 @@ module.exports = class MiniXHRUpload {
 
       xhr.open(opts.method.toUpperCase(), opts.endpoint, true)
       // IE10 does not allow setting `withCredentials` and `responseType`
-      // before `open()` is called.
-      xhr.withCredentials = opts.withCredentials
+      // before `open()` is called. It’s important to set withCredentials
+      // to a boolean, otherwise React Native crashes
+      xhr.withCredentials = Boolean(opts.withCredentials)
       if (opts.responseType !== '') {
         xhr.responseType = opts.responseType
       }