diff --git a/frontend/lib/types.ts b/frontend/lib/types.ts
index d4a893c..3b56f2a 100644
--- a/frontend/lib/types.ts
+++ b/frontend/lib/types.ts
@@ -16,7 +16,7 @@ export interface Person extends PartialPerson {
 }
 
 export interface Member extends Person {
-  user?: PartialUser;
+  user: PartialUser;
 }
 
 export interface User extends Person {