diff --git a/test_runner/fixtures/pageserver/allowed_errors.py b/test_runner/fixtures/pageserver/allowed_errors.py
index e560844944..58a76d7586 100755
--- a/test_runner/fixtures/pageserver/allowed_errors.py
+++ b/test_runner/fixtures/pageserver/allowed_errors.py
@@ -88,7 +88,7 @@ DEFAULT_PAGESERVER_ALLOWED_ERRORS = (
     ".*Flushed oversized open layer with size.*",
     # During teardown, we stop the storage controller before the pageservers, so pageservers
     # can experience connection errors doing background deletion queue work.
-    ".*WARN deletion backend: calling control plane generation validation API failed.*Connection refused.*",
+    ".*WARN deletion backend: calling control plane generation validation API failed.*error sending request.*",
     # Can happen when the test shuts down the storage controller while it is calling the utilization API
     ".*WARN.*path=/v1/utilization .*request was dropped before completing",
 )