diff --git a/lunatask/notes.go b/lunatask/notes.go
index d01cace29a8c9ece2c378401884a9af622025ba8..be5f2e4ff1c55a589bbac6acde9b5d1daf0ec77d 100644
--- a/lunatask/notes.go
+++ b/lunatask/notes.go
@@ -16,7 +16,7 @@ import (
 // Note: name and content are E2EE and not returned by the API.
 type Note struct {
 	ID         string    `json:"id"`
-	NotebookID string    `json:"notebook_id"`
+	NotebookID *string   `json:"notebook_id"`
 	DateOn     *Date     `json:"date_on"`
 	Sources    []Source  `json:"sources"`
 	CreatedAt  time.Time `json:"created_at"`