diff --git a/js/components/ascribe_uploader/react_s3_fine_uploader_utils.js b/js/components/ascribe_uploader/react_s3_fine_uploader_utils.js
index 19875d9b..d8925748 100644
--- a/js/components/ascribe_uploader/react_s3_fine_uploader_utils.js
+++ b/js/components/ascribe_uploader/react_s3_fine_uploader_utils.js
@@ -40,7 +40,7 @@ export const formSubmissionValidation = {
     fileOptional(files) {
         const uploadingFiles = files.filter((file) => file.status === FileStatus.SUBMITTING);
 
-        return uploadFiles.length === 0;
+        return uploadingFiles.length === 0;
     }
 };