diff --git a/src/migrations/20240125090553-events-fix-incorrectly-assigned-sysuser-id.js b/src/migrations/20240125090553-events-fix-incorrectly-assigned-sysuser-id.js
index af1ccbd668b3..52e0cd0d6325 100644
--- a/src/migrations/20240125090553-events-fix-incorrectly-assigned-sysuser-id.js
+++ b/src/migrations/20240125090553-events-fix-incorrectly-assigned-sysuser-id.js
@@ -4,8 +4,12 @@ exports.up = function (db, cb) {
       UPDATE events SET created_by_user_id = null
       WHERE
           created_by_user_id = -1337 AND
-          created_by = 'unleash_system_user' OR
-          created_by = 'systemuser@getunleash.io';
+          created_by NOT IN (
+              'unknown',
+              'migration',
+              'init-api-tokens',
+              'unleash_system_user',
+              'systemuser@getunleash.io')
       `,
       cb,
   );