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 0ff77a931a19..7a51b687f1df 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
@@ -98,7 +98,7 @@ export const useGridDataSource = (
         return;
       }
 
-      if (parentId) {
+      if (parentId && parentId !== GRID_ROOT_GROUP_ID) {
         nestedDataManager.queue([parentId]);
         return;
       }