1 files changed, 3 insertions, 2 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index fce935b444..fc00128c56 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -139,9 +139,10 @@ class FederationHandler(BaseHandler):
                 affected=event.event_id,
             )
 
-        if not check_event_content_hash(pdu):
+        if not check_event_content_hash(event):
             logger.warn(
-                "Event content has been tampered, redacting %s", event.event_id
+                "Event content has been tampered, redacting %s, %s",
+                event.event_id, encode_canonical_json(event.get_full_dict())
             )
             event = redacted_event