diff --git a/types/react-virtualized/dist/es/WindowScroller.d.ts b/types/react-virtualized/dist/es/WindowScroller.d.ts
index c3074208d6..f4c9665371 100644
--- a/types/react-virtualized/dist/es/WindowScroller.d.ts
+++ b/types/react-virtualized/dist/es/WindowScroller.d.ts
@@ -11,6 +11,7 @@ export type WindowScrollerChildProps = {
     width: number;
     isScrolling: boolean;
     scrollTop: number;
+    scrollLeft: number;
     onChildScroll: (params: { scrollTop: number }) => void;
 };