Check if accept header is passed

src/api/structures/Server.js

@@ -27,7 +27,7 @@ class Server {
 				This bypasses the headers.accept for album download, since it's accesed directly through the browser.
 			*/
 			if (req.url.includes('/api/album/') && req.url.includes('/zip') && req.method === 'GET') return next();
-			if (req.headers.accept.includes('application/vnd.lolisafe.json')) return next();
+			if (req.headers.accept && req.headers.accept.includes('application/vnd.lolisafe.json')) return next();
 			return res.status(405).json({ message: 'Incorrect `Accept` header provided' });
 		});
 		this.server.use(bodyParser.urlencoded({ extended: true }));