1 files changed, 1 insertions, 1 deletions

diff --git a/tests/server.py b/tests/server.py

index b97003fa5a..3dd2cfc072 100644
--- a/tests/server.py
+++ b/tests/server.py
@@ -46,7 +46,7 @@ class FakeChannel:
 
     site = attr.ib(type=Site)
     _reactor = attr.ib()
-    result = attr.ib(default=attr.Factory(dict))
+    result = attr.ib(type=dict, default=attr.Factory(dict))
     _producer = None
 
     @property