1 files changed, 4 insertions, 4 deletions
diff --git a/apps/web/src/hooks/timeline/use-scroll-sync.ts b/apps/web/src/hooks/timeline/use-scroll-sync.ts
index cdd915b0..61465a3d 100644
--- a/apps/web/src/hooks/timeline/use-scroll-sync.ts
+++ b/apps/web/src/hooks/timeline/use-scroll-sync.ts
@@ -1,10 +1,10 @@
 import { useEffect, useRef } from "react";
 
 interface UseScrollSyncProps {
-	rulerScrollRef?: React.RefObject<HTMLDivElement>;
-	tracksScrollRef: React.RefObject<HTMLDivElement>;
-	trackLabelsScrollRef?: React.RefObject<HTMLDivElement>;
-	bookmarksScrollRef?: React.RefObject<HTMLDivElement>;
+	rulerScrollRef?: React.RefObject<HTMLDivElement | null>;
+	tracksScrollRef: React.RefObject<HTMLDivElement | null>;
+	trackLabelsScrollRef?: React.RefObject<HTMLDivElement | null>;
+	bookmarksScrollRef?: React.RefObject<HTMLDivElement | null>;
 }
 
 export function useScrollSync({