diff --git a/src/user-management/interfaces/authentication-event.interface.ts b/src/user-management/interfaces/authentication-event.interface.ts
index 7885b6f4d..ed4b6ac25 100644
--- a/src/user-management/interfaces/authentication-event.interface.ts
+++ b/src/user-management/interfaces/authentication-event.interface.ts
@@ -22,9 +22,9 @@ export type AuthenticationEvent = {
 
 export interface AuthenticationEventResponse {
   type: AuthenticationEventType;
-  email?: string | null;
+  email: string | null;
   ip_address: string | null;
   user_agent: string | null;
   user_id: string | null;
-  error?: AuthenticationEventError;
+  error: AuthenticationEventError | null;
 }