diff --git a/src/allmydata/test/storage_plugin.py b/src/allmydata/test/storage_plugin.py
index d78a4d9ec..9190c7331 100644
--- a/src/allmydata/test/storage_plugin.py
+++ b/src/allmydata/test/storage_plugin.py
@@ -66,7 +66,11 @@ class DummyStorage(object):
         )
 
     def get_storage_client(self, configuration, announcement, get_rref):
-        return DummyStorageClient(get_rref, configuration, announcement)
+        return DummyStorageClient(
+            get_rref,
+            dict(configuration.items(self._client_section_name, [])),
+            announcement,
+        )
 
     def get_client_resource(self, configuration):
         """