diff --git a/test_runner/regress/test_ondemand_download.py b/test_runner/regress/test_ondemand_download.py
index c26ec76172..a30f0f02e1 100644
--- a/test_runner/regress/test_ondemand_download.py
+++ b/test_runner/regress/test_ondemand_download.py
@@ -713,9 +713,7 @@ def test_ondemand_download_failure_to_replace(
         # error message is not useful
         pageserver_http.timeline_detail(tenant_id, timeline_id, True, timeout=2)
 
-    actual_message = (
-        ".* ERROR .*replacing downloaded layer into layermap failed because layer was not found"
-    )
+    actual_message = ".* ERROR .*layermap-replace-notfound"
     assert env.pageserver.log_contains(actual_message) is not None
     env.pageserver.allowed_errors.append(actual_message)