1 files changed, 4 insertions, 1 deletions
diff --git a/tests/test_utils/event_injection.py b/tests/test_utils/event_injection.py
index fb1ca90336..e93aa84405 100644
--- a/tests/test_utils/event_injection.py
+++ b/tests/test_utils/event_injection.py
@@ -71,7 +71,10 @@ async def inject_event(
     """
     event, context = await create_event(hs, room_version, prev_event_ids, **kwargs)
 
-    await hs.get_storage().persistence.persist_event(event, context)
+    persistence = hs.get_storage().persistence
+    assert persistence is not None
+
+    await persistence.persist_event(event, context)
 
     return event