diff --git a/types/braintree/index.d.ts b/types/braintree/index.d.ts
index 0de1e0c581..6a8556fd6e 100644
--- a/types/braintree/index.d.ts
+++ b/types/braintree/index.d.ts
@@ -1185,7 +1185,7 @@ declare namespace braintree {
             email?: string;
             fax?: string;
             firstName?: string;
-            id: string;
+            id?: string;
             lastName?: string;
             phone?: string;
             website?: string;