diff --git a/packages/api-generator/src/maps/v-data-table.js b/packages/api-generator/src/maps/v-data-table.js
index e3c4e12dcb5..d5178dcb222 100644
--- a/packages/api-generator/src/maps/v-data-table.js
+++ b/packages/api-generator/src/maps/v-data-table.js
@@ -88,6 +88,7 @@ const DataTableItemColumnScopedProps = {
   item: 'any',
   header: 'DataTableHeader',
   value: 'any',
+  index: 'number',
 }
 
 const DataTableHeaderSelectScopedProps = {