diff --git a/packages/api/src/services/save_file.ts b/packages/api/src/services/save_file.ts
index dd727ec38..c0e2a5e75 100644
--- a/packages/api/src/services/save_file.ts
+++ b/packages/api/src/services/save_file.ts
@@ -36,8 +36,10 @@ export const saveFile = async (
       {
         state: (input.state as unknown as LibraryItemState) || undefined,
         folder: input.folder || undefined,
-        savedAt: input.savedAt || undefined,
-        publishedAt: input.publishedAt || undefined,
+        savedAt: input.savedAt ? new Date(input.savedAt) : undefined,
+        publishedAt: input.publishedAt
+          ? new Date(input.publishedAt)
+          : undefined,
       },
       user.id
     )