diff --git a/packages/api/src/resolvers/article/index.ts b/packages/api/src/resolvers/article/index.ts
index 1a073713c..2a1d39641 100644
--- a/packages/api/src/resolvers/article/index.ts
+++ b/packages/api/src/resolvers/article/index.ts
@@ -338,7 +338,7 @@ export const createArticleResolver = authorized<
         articleToSave.id = newPageId
       } else {
         // update existing page's state from processing to succeeded
-        articleToSave.archivedAt = archive ? saveTime : undefined
+        articleToSave.archivedAt = archive ? saveTime : null
         const updated = await updatePage(pageId, articleToSave, {
           ...ctx,
           uid,