diff --git a/native/identity-service/identity-service-context-provider.react.js b/native/identity-service/identity-service-context-provider.react.js
--- a/native/identity-service/identity-service-context-provider.react.js
+++ b/native/identity-service/identity-service-context-provider.react.js
@@ -14,8 +14,6 @@
   type IdentityServiceClient,
   type UserDevicesOlmOutboundKeys,
   type UserLoginResponse,
-} from 'lib/types/identity-service-types.js';
-import {
   ONE_TIME_KEYS_NUMBER,
   identityAuthResultValidator,
 } from 'lib/types/identity-service-types.js';
@@ -224,7 +222,12 @@
           getOneTimeKeyValues(notificationsOneTimeKeys),
         );
         const { userID, accessToken: token } = JSON.parse(registrationResult);
-        return { accessToken: token, userID, username };
+        const identityAuthResult = { accessToken: token, userID, username };
+
+        return assertWithValidator(
+          identityAuthResult,
+          identityAuthResultValidator,
+        );
       },
       logInPasswordUser: async (username: string, password: string) => {
         await commCoreModule.initializeCryptoAccount();