1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/data_stores/main/event_federation.py b/synapse/storage/data_stores/main/event_federation.py
index 5cb8cd96d1..60c67457b4 100644
--- a/synapse/storage/data_stores/main/event_federation.py
+++ b/synapse/storage/data_stores/main/event_federation.py
@@ -470,7 +470,7 @@ class EventFederationStore(EventFederationWorkerStore):
     def _update_min_depth_for_room_txn(self, txn, room_id, depth):
         min_depth = self._get_min_depth_interaction(txn, room_id)
 
-        if min_depth and depth >= min_depth:
+        if min_depth is not None and depth >= min_depth:
             return
 
         self.db.simple_upsert_txn(