1 files changed, 2 insertions, 2 deletions
diff --git a/synapse/storage/schema/__init__.py b/synapse/storage/schema/__init__.py
index de89de7d74..5b50bd66bc 100644
--- a/synapse/storage/schema/__init__.py
+++ b/synapse/storage/schema/__init__.py
@@ -125,8 +125,8 @@ Changes in SCHEMA_VERSION = 82
 
 
 SCHEMA_COMPAT_VERSION = (
-    # The event_txn_id table and tables from MSC2716 no longer exist.
-    82
+    # The `event_txn_id_device_id` must be written to for new events.
+    80
 )
 """Limit on how far the synapse codebase can be rolled back without breaking db compat