1 files changed, 6 insertions, 0 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 31a0022d54..1f39a4094e 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -255,6 +255,12 @@ class DataStore(RoomMemberStore, RoomStore,
                 }
             )
 
+        for hash_alg, hash_base64 in event.hashes.items():
+            hash_bytes = decode_base64(hash_base64)
+            self._store_event_content_hash_txn(
+                txn, event.event_id, hash_alg, hash_bytes,
+            )
+
         if hasattr(event, "signatures"):
             signatures = event.signatures.get(event.origin, {})