1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 627e91a522..ea6879c619 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -216,6 +216,7 @@ class EventsStore(SQLBaseStore):
             table="event_search",
             columns=["event_id"],
             unique=True,
+            psql_only=True,
         )
 
         self._event_persist_queue = _EventPeristenceQueue()