diff --git a/functions/api/data-transfers/create.ts b/functions/api/data-transfers/create.ts
index ca8ad59..860f831 100644
--- a/functions/api/data-transfers/create.ts
+++ b/functions/api/data-transfers/create.ts
@@ -72,9 +72,12 @@ export async function onRequestPost(context: RequestContext) {
 
   if (!createCardReq.ok) return jsonError("Failed to create entry", 500);
 
+  const { id: cardId }: { id: string } = await createCardReq.json();
+
   await context.env.DATA.put(
     `datatransfer_${id}`,
     JSON.stringify({
+      cardId,
       oldUser: authedUser,
     }),
     {