2 files changed, 3 insertions, 3 deletions
diff --git a/tests/storage/event_injector.py b/tests/storage/event_injector.py
index 38556da9a7..024ac15069 100644
--- a/tests/storage/event_injector.py
+++ b/tests/storage/event_injector.py
@@ -27,10 +27,10 @@ class EventInjector:
         self.event_builder_factory = hs.get_event_builder_factory()
 
     @defer.inlineCallbacks
-    def create_room(self, room):
+    def create_room(self, room, user):
         builder = self.event_builder_factory.new({
             "type": EventTypes.Create,
-            "sender": "",
+            "sender": user.to_string(),
             "room_id": room.to_string(),
             "content": {},
         })
diff --git a/tests/storage/test_events.py b/tests/storage/test_events.py
index 3762b38e37..14443b53bc 100644
--- a/tests/storage/test_events.py
+++ b/tests/storage/test_events.py
@@ -50,7 +50,7 @@ class EventsStoreTestCase(unittest.TestCase):
         # Create something to report
         room = RoomID.from_string("!abc123:test")
         user = UserID.from_string("@raccoonlover:test")
-        yield self.event_injector.create_room(room)
+        yield self.event_injector.create_room(room, user)
 
         self.base_event = yield self._get_last_stream_token()