diff --git a/backend/src/services/auth/auth-signup-type.ts b/backend/src/services/auth/auth-signup-type.ts
index 9cd70f8c7..c5c535f39 100644
--- a/backend/src/services/auth/auth-signup-type.ts
+++ b/backend/src/services/auth/auth-signup-type.ts
@@ -37,4 +37,5 @@ export type TCompleteAccountInviteDTO = {
   ip: string;
   userAgent: string;
   authorization: string;
+  metadata?: string;
 };