diff --git a/packages/grid/src/features/standard-table/features/column-groups/ColumnGroupRow.tsx b/packages/grid/src/features/standard-table/features/column-groups/ColumnGroupRow.tsx
index 3955593f8..cd7a722ec 100644
--- a/packages/grid/src/features/standard-table/features/column-groups/ColumnGroupRow.tsx
+++ b/packages/grid/src/features/standard-table/features/column-groups/ColumnGroupRow.tsx
@@ -91,6 +91,7 @@ export const ColumnGroupRow = React.memo(function ColumnGroupRow({
         />
       ))}
       {rowIndent && <th style={stickyHeaderProps} />}
+      <th style={stickyHeaderProps} />
     </tr>
   );
 });