From e5a9ee0fa13a7566b9be98a45c9f32bd7763d3fd Mon Sep 17 00:00:00 2001
From: Hendrik Peilke <hendrik.peilke@deutschebahn.com>
Date: Mon, 18 Nov 2024 14:10:23 +0100
Subject: [PATCH] [DataGrid] Fix right column group header border with
 virtualization

---
 .../src/hooks/features/columnHeaders/useGridColumnHeaders.tsx   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/x-data-grid/src/hooks/features/columnHeaders/useGridColumnHeaders.tsx b/packages/x-data-grid/src/hooks/features/columnHeaders/useGridColumnHeaders.tsx
index ee5325a7ad5b..d72882be1754 100644
--- a/packages/x-data-grid/src/hooks/features/columnHeaders/useGridColumnHeaders.tsx
+++ b/packages/x-data-grid/src/hooks/features/columnHeaders/useGridColumnHeaders.tsx
@@ -464,7 +464,7 @@ export const useGridColumnHeaders = (props: UseGridColumnHeadersProps) => {
           pinnedPosition={pinnedPosition}
           style={style}
           indexInSection={indexInSection}
-          sectionLength={rowStructure.length}
+          sectionLength={visibleColumnGroupHeader.length}
           gridHasFiller={gridHasFiller}
         />
       );