diff --git a/src/allmydata/test/test_web.py b/src/allmydata/test/test_web.py
index b2464a6ac..eedee422c 100644
--- a/src/allmydata/test/test_web.py
+++ b/src/allmydata/test/test_web.py
@@ -173,7 +173,7 @@ class FakeClient(Client):
         self.blacklist = None
         self.nodemaker = FakeNodeMaker(None, self._secret_holder, None,
                                        self.uploader, None,
-                                       None, None)
+                                       None, None, None)
         self.mutable_file_default = SDMF_VERSION
 
     def startService(self):