diff --git a/src/modules/components/file_upload/file_upload.ts b/src/modules/components/file_upload/file_upload.ts
index e3211a2..988dbf8 100644
--- a/src/modules/components/file_upload/file_upload.ts
+++ b/src/modules/components/file_upload/file_upload.ts
@@ -89,7 +89,7 @@ export class FileUpload extends BI.Widget {
                         },
                         text: BI.i18nText('Dec-Basic_Choose_File'),
                         handler: () => {
-                            self.uploader.select();
+                            this.uploader.select();
                         },
                     },
                 ],
@@ -197,7 +197,7 @@ export class FileUpload extends BI.Widget {
                                     this.errorMsg = _ref;
                                 },
                             },                        {
-                                type: "bi.vertical_adapt",
+                                type: BI.VerticalLayout.xtype,
                                 rgap: 5,
                                 items: [
                                     {