[DataGrid] Fix last separator not being hidden when grid is scrollable (

mui#15543)
LukasTy · Dec 19, 2024 · b6c68ac · b6c68ac
1 parent 042c1a5
commit b6c68ac
Showing 1 changed file with 1 addition and 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
@@ -456,7 +456,7 @@ export const useGridColumnHeaders = (props: UseGridColumnHeadersProps) => {
           fields={headerInfo.fields}
           colIndex={headerInfo.colIndex}
           depth={depth}
-          isLastColumn={headerInfo.colIndex === visibleColumns.length - headerInfo.fields.length}
+          isLastColumn={index === visibleColumnGroupHeader.length - 1}
           maxDepth={headerGroupingMaxDepth}
           height={dimensions.groupHeaderHeight}
           hasFocus={hasFocus}