whoops

packages/backend/utils/activitypub/checkContentNegotiation.ts

···
         && req.headers.accept
         && !allowedContentTypes.some(type => req.headers.accept?.includes(type))) {
       // Respond with a 401 if the request did not include an Accept header for a HTML response.
-      res.sendStatus(401);
+      return res.sendStatus(401);
     }
 
     next();