1 files changed, 1 insertions, 0 deletions
diff --git a/tests/storage/event_injector.py b/tests/storage/event_injector.py
index f22ba8db89..38556da9a7 100644
--- a/tests/storage/event_injector.py
+++ b/tests/storage/event_injector.py
@@ -30,6 +30,7 @@ class EventInjector:
     def create_room(self, room):
         builder = self.event_builder_factory.new({
             "type": EventTypes.Create,
+            "sender": "",
             "room_id": room.to_string(),
             "content": {},
         })