diff --git a/components/lib/datatable/datatable.d.ts b/components/lib/datatable/datatable.d.ts
index f4bcec5ae1..51a7642cdf 100644
--- a/components/lib/datatable/datatable.d.ts
+++ b/components/lib/datatable/datatable.d.ts
@@ -616,7 +616,7 @@ interface DataTableColReorderEvent {
     /**
      * Columns array after reorder.
      */
-    columns: React.ReactElement;
+    columns: Column[];
 }
 
 /**