diff --git a/artifacts/tx-os/src/components/notes/incoming-note-popup.tsx b/artifacts/tx-os/src/components/notes/incoming-note-popup.tsx
index eab7be3c..9e09bf99 100644
--- a/artifacts/tx-os/src/components/notes/incoming-note-popup.tsx
+++ b/artifacts/tx-os/src/components/notes/incoming-note-popup.tsx
@@ -172,17 +172,20 @@ function PopupChecklistPreview({
               onChange={(e) => {
                 const next = e.target.checked;
                 setOverrides((o) => ({ ...o, [it.id]: next }));
+                const drop = () =>
+                  // Always clear the override once the mutation
+                  // settles so the next render reflects authoritative
+                  // state (either the optimistic cache write that
+                  // already landed, or — for a concurrent collaborator
+                  // toggle that arrived during our roundtrip — the
+                  // socket-pushed value that supersedes ours).
+                  setOverrides((o) => {
+                    const { [it.id]: _drop, ...rest } = o;
+                    return rest;
+                  });
                 toggle.mutate(
                   { id: noteId, itemId: it.id, done: next },
-                  {
-                    onError: () =>
-                      // Roll back the local override on failure so the
-                      // checkbox reflects authoritative state.
-                      setOverrides((o) => {
-                        const { [it.id]: _drop, ...rest } = o;
-                        return rest;
-                      }),
-                  },
+                  { onSuccess: drop, onError: drop },
                 );
               }}
               className="mt-0.5 h-4 w-4 rounded border-black/30 accent-amber-500"