diff --git a/modules/sdk-api/src/types.ts b/modules/sdk-api/src/types.ts
index a1bba58aa4..f4c7a11690 100644
--- a/modules/sdk-api/src/types.ts
+++ b/modules/sdk-api/src/types.ts
@@ -138,7 +138,7 @@ export interface ProcessedAuthenticationPasskeyOptions {
   response: AuthenticateWithPasskeyData,
   otp?: string,
   extensible?: boolean;
-  extensionAddress?: boolean;
+  extensionAddress?: string;
   forReset2FA?: boolean;
 }