diff --git a/js/components/ascribe_uploader/file_drag_and_drop.js b/js/components/ascribe_uploader/file_drag_and_drop.js
index a4d1781b..2fb9f78f 100644
--- a/js/components/ascribe_uploader/file_drag_and_drop.js
+++ b/js/components/ascribe_uploader/file_drag_and_drop.js
@@ -12,7 +12,8 @@ var FileDragAndDrop = React.createClass({
         onDragOver: React.PropTypes.func,
         onDragEnd: React.PropTypes.func,
         filesToUpload: React.PropTypes.array,
-        handleDeleteFile: React.PropTypes.func
+        handleDeleteFile: React.PropTypes.func,
+        multiple: React.PropTypes.bool
     },
 
     handleDragStart(event) {
@@ -105,7 +106,7 @@ var FileDragAndDrop = React.createClass({
                         files={this.props.filesToUpload}
                         handleDeleteFile={this.handleDeleteFile}/>
                     <input
-                        multiple
+                        multiple={this.props.multiple}
                         ref="fileinput"
                         type="file"
                         style={{
diff --git a/js/components/ascribe_uploader/react_s3_fine_uploader.js b/js/components/ascribe_uploader/react_s3_fine_uploader.js
index 797ca0eb..0ec95407 100644
--- a/js/components/ascribe_uploader/react_s3_fine_uploader.js
+++ b/js/components/ascribe_uploader/react_s3_fine_uploader.js
@@ -298,7 +298,8 @@ var ReactS3FineUploader = React.createClass({
             <FileDragAndDrop
                 onDrop={this.handleUploadFile}
                 filesToUpload={this.state.filesToUpload}
-                handleDeleteFile={this.handleDeleteFile}/>
+                handleDeleteFile={this.handleDeleteFile}
+                multiple={this.props.multiple}/>
         );
     }
 
diff --git a/js/components/register_piece.js b/js/components/register_piece.js
index 693c43be..b12d2c2b 100644
--- a/js/components/register_piece.js
+++ b/js/components/register_piece.js
@@ -187,7 +187,8 @@ let FileUploader = React.createClass( {
 
 let InputDate = React.createClass({
     propTypes: {
-        placeholderText: React.PropTypes.string
+        placeholderText: React.PropTypes.string,
+        onChange: React.PropTypes.func
     },
 
     getInitialState() {