diff --git a/server/routes/user.ts b/server/routes/user.ts
index 7c3c237..5f87fe7 100644
--- a/server/routes/user.ts
+++ b/server/routes/user.ts
@@ -20,9 +20,9 @@ export default function (fastify: FastifyInstance) {
 
     try {
       const schema = z.object({
-        toggleInputHotkey: z.string(),
-        toggleOutputHotkey: z.string(),
-        volumes: z.record(z.string(), z.number()),
+        toggleInputHotkey: z.string().optional(),
+        toggleOutputHotkey: z.string().optional(),
+        volumes: z.record(z.string(), z.number()).optional(),
       })
       const input = schema.parse(req.body)