1 files changed, 3 insertions, 1 deletions
diff --git a/synapse/rest/client/relations.py b/synapse/rest/client/relations.py
index ffa37ef06c..5815650ee6 100644
--- a/synapse/rest/client/relations.py
+++ b/synapse/rest/client/relations.py
@@ -232,7 +232,9 @@ class RelationPaginationServlet(RestServlet):
         )
         # The relations returned for the requested event do include their
         # bundled aggregations.
-        serialized_events = await self._event_serializer.serialize_events(events, now)
+        serialized_events = await self._event_serializer.serialize_events(
+            events, now, bundle_aggregations=True
+        )
 
         return_value = pagination_chunk.to_dict()
         return_value["chunk"] = serialized_events