diff --git a/packages/notion-client/src/notion-api.ts b/packages/notion-client/src/notion-api.ts
index 7b1ba4691..2216d6b8a 100644
--- a/packages/notion-client/src/notion-api.ts
+++ b/packages/notion-client/src/notion-api.ts
@@ -309,7 +309,7 @@ export class NotionAPI {
   public async getCollectionData(
     collectionId: string,
     collectionViewId: string,
-    collectionView: any,
+    collectionView?: any,
     {
       limit = 9999,
       searchQuery = '',