diff --git a/test_runner/regress/test_timeline_detach_ancestor.py b/test_runner/regress/test_timeline_detach_ancestor.py
index b140a97184..47dfd26bba 100644
--- a/test_runner/regress/test_timeline_detach_ancestor.py
+++ b/test_runner/regress/test_timeline_detach_ancestor.py
@@ -1073,6 +1073,8 @@ def test_retried_detach_ancestor_after_failed_reparenting(neon_env_builder: Neon
         }
     )
 
+    env.pageserver.allowed_errors.extend(SHUTDOWN_ALLOWED_ERRORS)
+
     env.pageserver.allowed_errors.extend(
         [
             ".* reparenting failed: failpoint: timeline-detach-ancestor::allow_one_reparented",