diff --git a/functions/api/me/items/[type]/[id].ts b/functions/api/me/items/[type]/[id].ts
index 40e8056..1eccda7 100644
--- a/functions/api/me/items/[type]/[id].ts
+++ b/functions/api/me/items/[type]/[id].ts
@@ -34,7 +34,7 @@ export async function onRequestGet(context: RequestContext) {
       Uint8Array.from(atob(context.env.URL_SIGNING_KEY), (c) =>
         c.charCodeAt(0),
       ),
-      { hash: "SHA-256", name: "HMAC" },
+      { hash: "SHA-1", name: "HMAC" },
       false,
       ["sign"],
     );