1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/events/validator.py b/synapse/events/validator.py
index 27c8beba25..a6f0104396 100644
--- a/synapse/events/validator.py
+++ b/synapse/events/validator.py
@@ -45,7 +45,7 @@ class EventValidator:
         """
         self.validate_builder(event)
 
-        if event.format_version == EventFormatVersions.V1:
+        if event.format_version == EventFormatVersions.ROOM_V1_V2:
             EventID.from_string(event.event_id)
 
         required = [