diff --git a/frontend/src/components/Playlists.tsx b/frontend/src/components/Playlists.tsx
index 14c84d5..910d9d8 100644
--- a/frontend/src/components/Playlists.tsx
+++ b/frontend/src/components/Playlists.tsx
@@ -205,9 +205,13 @@ export default function Playlists({ canWrite }: { canWrite: boolean }) {
   const order = useUndoable<Video[]>([], {
     onApply: (next) => {
       if (selectedId == null) return;
-      api
-        .reorderPlaylist(selectedId, next.map((v) => v.id))
-        .then(() => qc.invalidateQueries({ queryKey: ["playlists"] }));
+      api.reorderPlaylist(selectedId, next.map((v) => v.id)).then(() => {
+        // Refresh the sidebar (cover may change) and the detail (so the now-dirty state,
+        // and the Reset/Unsynced indicators, show without an F5). The membership guard
+        // keeps the refetch from wiping the undo history on a pure reorder.
+        qc.invalidateQueries({ queryKey: ["playlists"] });
+        qc.invalidateQueries({ queryKey: ["playlist", selectedId] });
+      });
     },
   });
   const items = order.value;