diff --git a/e2e/node/ts/tests/01.auth.ts b/e2e/node/ts/tests/01.auth.ts
index 25813073..1c4b7e6e 100644
--- a/e2e/node/ts/tests/01.auth.ts
+++ b/e2e/node/ts/tests/01.auth.ts
@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import { describe, it } from 'mocha'
 
-import { MtUnsupportedError } from '@mtcute/core'
+import { MtcuteError } from '@mtcute/core'
 import { BaseTelegramClient, TelegramClient } from '@mtcute/core/client.js'
 
 import { getApiParams } from '../utils.js'
@@ -32,10 +32,13 @@ describe('1. authorization', function () {
                     code: () => '22222',
                 })
             } catch (e) {
-                if (e instanceof MtUnsupportedError && e.message.includes('Signup is no longer supported')) {
+                if (e instanceof MtcuteError && e.message.match(/Signup is no longer supported|2FA is enabled/)) {
                     // retry with another number
                     continue
-                } else throw e
+                } else {
+                    await tg.close()
+                    throw e
+                }
             }
 
             await tg.close()
@@ -64,10 +67,13 @@ describe('1. authorization', function () {
                     code: () => '11111',
                 })
             } catch (e) {
-                if (e instanceof MtUnsupportedError && e.message.includes('Signup is no longer supported')) {
+                if (e instanceof MtcuteError && e.message.match(/Signup is no longer supported|2FA is enabled/)) {
                     // retry with another number
                     continue
-                } else throw e
+                } else {
+                    await tg.close()
+                    throw e
+                }
             }
 
             await tg.close()