diff --git a/assets/js/admin/components/FileUpload.js b/assets/js/admin/components/FileUpload.js
index a95044c150..967c6d38cc 100644
--- a/assets/js/admin/components/FileUpload.js
+++ b/assets/js/admin/components/FileUpload.js
@@ -75,6 +75,7 @@ export default class FileUpload {
         this.items[id].setLabel(file.name, file.size);
         this.items[id].setName(file.name.split('.').slice(0, -1).join('.'));
         this.$uploadedFiles.append($uploadedFile);
+        (new Register()).registerNewContent($uploadedFile);
     }
 
     createNewUploadedFile () {
diff --git a/assets/js/admin/components/MultiplePicker.js b/assets/js/admin/components/MultiplePicker.js
index 7806740c04..3cf021bc5c 100644
--- a/assets/js/admin/components/MultiplePicker.js
+++ b/assets/js/admin/components/MultiplePicker.js
@@ -46,6 +46,7 @@ export default class MultiplePicker {
         const _this = this;
 
         _this.items.push($item);
+        (new Register()).registerNewContent($item);
         $item.find('.js-picker-item-button-delete').click(() => {
             _this.removeItem($item);
         });