diff --git a/src/components/datatable/DataTable.d.ts b/src/components/datatable/DataTable.d.ts
index 07aa6c27a..6de52ff6f 100755
--- a/src/components/datatable/DataTable.d.ts
+++ b/src/components/datatable/DataTable.d.ts
@@ -114,6 +114,7 @@ declare class DataTable {
         groupheader: VNode[];
         groupfooter: VNode[];
         loading: VNode[];
+        expansion: VNode[];
     };
 }