diff --git a/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts b/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
index 2c389e5111c638892e1d9b95817292a2705ac6d8..f3112da9efe22594d68a31ed27e5746d46c1c5d9 100644
--- a/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
+++ b/src/app/components/creator/_dialogs/comment-settings/comment-settings.component.ts
@@ -145,7 +145,7 @@ export class CommentSettingsComponent implements OnInit {
                 valueFields += '' + delimiter + '\r\n';
               }
             });
-            const format = delimiter === ';' ? 'xlsx' : 'csv';
+            const format = delimiter === ';' ? 'xls' : 'csv';
             let file: string;
             file = keyFields + valueFields;
             const myBlob = new Blob([file], { type: `text/${format}` });