diff --git a/js/components/ascribe_forms/form_register_piece.js b/js/components/ascribe_forms/form_register_piece.js
index d711cd61..8e8b015c 100644
--- a/js/components/ascribe_forms/form_register_piece.js
+++ b/js/components/ascribe_forms/form_register_piece.js
@@ -11,9 +11,12 @@ import InputFineUploader from './input_fineuploader';
 import UploadButton from '../ascribe_uploader/ascribe_upload_button/upload_button';
 import FormSubmitButton from '../ascribe_buttons/form_submit_button';
 
+import { FileStatus } from '../ascribe_uploader/react_s3_fine_uploader_utils';
+
+import AscribeSpinner from '../ascribe_spinner';
+
 import ApiUrls from '../../constants/api_urls';
 import AppConstants from '../../constants/application_constants';
-import AscribeSpinner from '../ascribe_spinner';
 
 import { getLangText } from '../../utils/lang_utils';
 import { mergeOptions } from '../../utils/general_utils';
@@ -84,7 +87,7 @@ let RegisterPieceForm = React.createClass({
 
     handleChangedDigitalWork(digitalWorkFile) {
         if (digitalWorkFile &&
-            (digitalWorkFile.status === 'deleted' || digitalWorkFile.status === 'canceled')) {
+            (digitalWorkFile.status === FileStatus.DELETED || digitalWorkFile.status === FileStatus.CANCELED)) {
             this.refs.form.refs.thumbnail_file.reset();
             this.setState({ digitalWorkFile: null });
         } else {
diff --git a/js/components/ascribe_forms/input_fineuploader.js b/js/components/ascribe_forms/input_fineuploader.js
index b25056a3..6ee44113 100644
--- a/js/components/ascribe_forms/input_fineuploader.js
+++ b/js/components/ascribe_forms/input_fineuploader.js
@@ -10,7 +10,7 @@ import AppConstants from '../../constants/application_constants';
 import { getCookie } from '../../utils/fetch_api_utils';
 
 
-const { func, bool, shape, string, number, element, oneOf, arrayOf } = React.PropTypes;
+const { func, bool, shape, string, number, element, oneOf, oneOfType, arrayOf } = React.PropTypes;
 
 const InputFineUploader = React.createClass({
     propTypes: {
diff --git a/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js b/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
index 83aef402..aabf19d9 100644
--- a/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
+++ b/js/components/ascribe_uploader/ascribe_upload_button/upload_button.js
@@ -2,7 +2,7 @@
 
 import React from 'react';
 
-import { displayValidProgressFilesFilter } from '../react_s3_fine_uploader_utils';
+import { displayValidProgressFilesFilter, FileStatus } from '../react_s3_fine_uploader_utils';
 import { getLangText } from '../../../utils/lang_utils';
 import { truncateTextAtCharIndex } from '../../../utils/general_utils';
 
@@ -43,11 +43,11 @@ export default function UploadButton({ className = 'btn btn-default btn-sm' } =
         },
 
         getUploadingFiles() {
-            return this.props.filesToUpload.filter((file) => file.status === 'uploading');
+            return this.props.filesToUpload.filter((file) => file.status === FileStatus.UPLOADING);
         },
 
         getUploadedFile() {
-            return this.props.filesToUpload.filter((file) => file.status === 'upload successful')[0];
+            return this.props.filesToUpload.filter((file) => file.status === FileStatus.UPLOAD_SUCESSFUL)[0];
         },
 
         handleOnClick() {
@@ -144,4 +144,4 @@ export default function UploadButton({ className = 'btn btn-default btn-sm' } =
             );
         }
     });
-}
\ No newline at end of file
+}