diff --git a/test_runner/regress/test_remote_storage.py b/test_runner/regress/test_remote_storage.py
index 82bf741a8f..90d69c7b0e 100644
--- a/test_runner/regress/test_remote_storage.py
+++ b/test_runner/regress/test_remote_storage.py
@@ -618,6 +618,9 @@ def test_timeline_deletion_with_files_stuck_in_upload_queue(
     # checkpoint operations. Hence, checkpoint is allowed to fail now.
     log.info("sending delete request")
     checkpoint_allowed_to_fail.set()
+    env.pageserver.allowed_errors.append(
+        ".+ERROR Error processing HTTP request: InternalServerError\\(timeline is Stopping"
+    )
     client.timeline_delete(tenant_id, timeline_id)
 
     assert not timeline_path.exists()