diff --git a/InternalAPI/types.jrpc b/InternalAPI/types.jrpc
index c54d2f9..4d31f3f 100644
--- a/InternalAPI/types.jrpc
+++ b/InternalAPI/types.jrpc
@@ -9,7 +9,7 @@ type Profile {
    id: string;
    name: string;
    username: string;
-   birthday: int;
+   birthday?: int;
    gender: Gender;
 }