diff --git a/harvester_e2e_tests/integrations/test_upgrade.py b/harvester_e2e_tests/integrations/test_upgrade.py
index 12a25cd82..65c2462c5 100644
--- a/harvester_e2e_tests/integrations/test_upgrade.py
+++ b/harvester_e2e_tests/integrations/test_upgrade.py
@@ -2,6 +2,7 @@
 import json
 import yaml
 from time import sleep
+from hashlib import sha512
 from operator import add
 from functools import reduce
 from datetime import datetime, timedelta
@@ -388,7 +389,8 @@ def test_iso_url(self, api_client, unique_name, upgrade_timeout):
         2. Try to upgrade with the invalid manifest.
         3. Upgrade should not start and fail.
         """
-        version, url, checksum = unique_name, "https://invalid_iso_url", 'not_a_valid_checksum'
+        version, url = unique_name, "https://invalid_iso_url"
+        checksum = sha512(b'not_a_valid_checksum').hexdigest()
 
         code, data = api_client.versions.get(version)
         if code != 200: