diff --git a/src/controllers/api/statuses.ts b/src/controllers/api/statuses.ts
index 89b6c3c..b8873a9 100644
--- a/src/controllers/api/statuses.ts
+++ b/src/controllers/api/statuses.ts
@@ -229,7 +229,7 @@ const reblogStatusController: AppController = async (c) => {
 /** https://docs.joinmastodon.org/methods/statuses/#unreblog */
 const unreblogStatusController: AppController = async (c) => {
   const eventId = c.req.param('id');
-  const pubkey = c.get('pubkey')!;
+  const pubkey = c.get('pubkey') as string;
 
   const event = await getEvent(eventId, {
     kind: 1,