diff --git a/src/wormhole/test/test_wormhole.py b/src/wormhole/test/test_wormhole.py
index 68d5679..795b6b6 100644
--- a/src/wormhole/test/test_wormhole.py
+++ b/src/wormhole/test/test_wormhole.py
@@ -834,7 +834,7 @@ class Wormholes(ServerBase, unittest.TestCase):
 
         yield w1.close()
         yield w2.close()
-        self.flushLoggedErrors(ValueError)
+        self.flushLoggedErrors(KeyFormatError)
 
     @inlineCallbacks
     def test_verifier(self):