diff --git a/src/components/datatable/DataTable.d.ts b/src/components/datatable/DataTable.d.ts
index b2e7be657..611ac1042 100755
--- a/src/components/datatable/DataTable.d.ts
+++ b/src/components/datatable/DataTable.d.ts
@@ -113,6 +113,7 @@ declare class DataTable {
         groupheader: VNode[];
         groupfooter: VNode[];
         loading: VNode[];
+        expansion: VNode[];
     };
 }