diff --git a/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts b/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
index 10da6df7c74a..63e042a84126 100644
--- a/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
+++ b/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
@@ -275,6 +275,7 @@ export const useGridDataSource = (
     'paginationModelChange',
     runIfServerMode(props.paginationMode, fetchRows),
   );
+  // @ts-ignore - Event is not defined in the Pro API
   useGridApiEventHandler(apiRef, 'rowGroupingModelChange', () => fetchRows());
 
   const isFirstRender = React.useRef(true);